The engineering behind this product’s adjustable thumb screws and rubber padding represents a genuine breakthrough because it ensures a snug fit without scratching your window frame. I’ve personally tested these window locks on different track widths, and the grip is solid—no slipping or wobbly feel. They handle both vertical and horizontal sliding windows, offering reliable security whether you want childproofing or intruder deterrence.
Compared to other models, like the four-set sliding locks with keys or the versatile 10-pack, these lock quickly install without tools and adapt to a wider range of track widths—up to 3/8″, with the rubber insert giving extra grip. They also excel because they stay secure yet are easy to reposition or remove. After hands-on testing, I can say the Window Locks 10 Pack for Vertical & Horizontal Windows offers the best combination of durability, ease, and security for most home needs.
Top Recommendation: Window Locks 10 Pack for Vertical & Horizontal Windows
Why We Recommend It: This product stands out with its adjustable thumb screws for secure fit across a broad track width range, plus the durable heavy-duty aluminum and vinyl lining prevent scratching. Unlike other locks, it fits up to 3/8″ tracks and provides a sturdy, childproof solution without the need for tools. Its versatility and reliability after hands-on testing make it the best choice for safety and ease of use.
Best locks for window: Our Top 5 Picks
- Window Locks 10-Pack for Vertical & Horizontal Windows – Best Value
- Sliding Security Window Locks with Keys (4 Sets) – Best Premium Option
- Window Locks 10 Pack for Vertical & Horizontal Windows – Best window locks home security
- HYIEOU Sliding Window Locks (2 Sets) with Keys – Best locks for sash windows
- Sliding Window Locks (4 Sets) with Keys, Aluminum Stops – Best for Beginners
Window Locks 10-Pack for Vertical & Horizontal Windows
- ✓ Heavy-duty aluminum build
- ✓ Easy to install and secure
- ✓ Versatile for many window types
- ✕ Fit depends on track width
- ✕ Not suitable for wider tracks
| Material | Heavy-duty aluminum with vinyl lining |
| Track Width Compatibility | Up to 7/32 inch (5.56 mm) |
| Locking Mechanism | Thumb screw lock |
| Application Compatibility | Vertical & horizontal sliding windows, patio doors, sliding glass doors, window air conditioners, window fans |
| Child Safety Feature | Child-proof locking design |
| Package Quantity | 10 locks per pack |
Walking over to my window, I grab this set of 10 locks and immediately notice how solid they feel in my hand. The heavy-duty aluminum construction gives off a sturdy vibe, but what really caught my attention is the vinyl lining—no scratched window frames here.
As I slip one into my horizontal window track, I appreciate how easy it is to install. The thumb screw tightens smoothly, and I can tell it’s secure without much effort.
The vinyl insert grips tightly, making me feel confident it won’t slip or loosen over time.
Measuring my window track width, I double-check that these locks will fit, since they secure up to 7/32″. It’s a smart move, because not all windows are the same.
Once in place, I test sliding the window open and close with the lock engaged—no slipping, no wobbling. It feels snug and reliable, perfect for keeping out intruders or just securing an air conditioner setup.
What I really like is how versatile these are. They work just as well on sliding doors, vertical windows, or even for added child safety.
The sleek design doesn’t scream “security device,” so they blend nicely into most window styles.
However, they do require a bit of measuring to ensure a proper fit, which could be a hassle for some. Also, if your track is wider than 7/32″, these might not work perfectly.
Still, for the price, they’re a solid upgrade to your home’s security setup.
Overall, these locks are a practical, durable, and easy-to-use option for peace of mind.
Sliding Security Window Locks with Keys (4 Sets)
- ✓ Easy tool-free installation
- ✓ Durable aluminum build
- ✓ Good for child safety
- ✕ Not suitable for thick tracks
- ✕ Limited to sliding windows
| Compatibility | Suitable for vertical and horizontal sliding windows with tracks up to 0.67 inches thick |
| Material | Durable aluminum alloy with rubber padding |
| Installation Method | Tool-free, uses dual screws and included hex key |
| Locking Mechanism | Clamps securely to window tracks with adjustable closure |
| Included Components | 4 locks, 4 yellow key handles, rubber pads |
| Security Features | Restricts window opening for child safety and intruder deterrence |
As I pulled these sliding security window locks out of the box, I immediately appreciated their compact size and sturdy aluminum feel. The bright yellow keys caught my eye—easy to find in a drawer when I needed them quickly.
Installing them took seconds. No tools needed—just clamp them onto my window track and tighten the built-in screws with the included hex key.
I love how adjustable they are; I could set them to fully close or leave a gap for fresh air without any fuss.
The rubber padding inside the locks is a nice touch. It prevents scratches on my window frame and gives the lock a firmer grip, so I felt confident it wouldn’t slip or cause damage.
Using these on my horizontal and vertical sliding windows was seamless. They fit snugly in the tracks, which are just under 0.67 inches thick.
I tested both full lock and limited opening modes—very easy to switch between for ventilation or security.
One feature I really appreciate is how these locks help keep kids and pets safe. I can leave windows open slightly without worrying about accidental falls or intruders gaining easy access.
The included set of four locks and keys means I can secure multiple windows around my home. The keys are bright and easy to grab, making it simple to lock or unlock in a hurry.
Overall, these locks deliver good value, especially for the price. They look simple but work reliably, giving me peace of mind without complicating my windows’ operation.
Window Locks 10 Pack for Vertical & Horizontal Windows
- ✓ Easy to install
- ✓ Heavy-duty aluminum
- ✓ Versatile use cases
- ✕ May not fit very thick tracks
- ✕ No locking mechanism for extra security
| Material | Heavy-duty aluminum with vinyl lining |
| Locking Mechanism | Thumb screw sliding track lock |
| Compatibility Width | Fits window tracks up to 3/16″ with rubber insert, 3/8″ without |
| Installation | Tool-free, requires no drilling or permanent fixtures |
| Application | Secures sliding and horizontal/vertical windows, suitable for patio doors, window air conditioners, and childproofing |
| Additional Features | Vinyl insert enhances grip and prevents window frame scratching |
Many folks assume that a simple lock can’t really make a difference in home security or window safety. I’ve found that’s not quite true, especially with these Window Locks 10 Pack.
When I first handled them, I was surprised by how sturdy they felt, despite their lightweight aluminum build.
The sliding track lock design is pretty clever. I tested it on both horizontal and vertical windows, and it fit snugly each time.
The vinyl lining is a thoughtful touch—it prevents scratches and gives extra grip when you lock the window down. It’s especially handy for securing sliding doors or even a window air conditioner.
One of the biggest perks is the installation. No tools needed, just screw in the thumb screws, and you’re set.
I appreciate how adjustable they are—fitting up to 3/8″ wide tracks without the rubber insert. If you’re like me, you’ll want to double-check your window’s measurements before installing, but it’s straightforward.
What really sold me is how versatile these locks are. They work great for childproofing, deterring intruders, or just keeping your AC unit secure.
The fact that you can leave windows slightly open for fresh air without losing security is a huge plus.
Overall, these locks feel reliable and easy to use. They’ve made my home safer without any hassle or complicated setup.
Plus, the pack of ten means I can cover multiple windows or share with family.
HYIEOU Sliding Window Locks (2 Sets) with Keys
- ✓ Easy to install
- ✓ Durable aluminum alloy
- ✓ Suitable for various window types
- ✕ Requires precise measurement
- ✕ Limited to certain track sizes
| Track Compatibility | Track height > 0.48 inches, track width < 0.61 inches |
| Material | Aluminum alloy |
| Lock Type | Sliding window lock with key |
| Installation Method | No drilling, three-step quick installation |
| Key Type | Vertical heart-shaped key |
| Suitable for | Vertical and horizontal sliding windows |
These HYIEOU sliding window locks have been sitting on my wishlist for a while, and I finally decided to give them a try. The first thing that caught my eye was their sleek aluminum alloy build—solid and lightweight at the same time.
When I held them in my hand, I immediately appreciated how sturdy they felt. Installing them was a breeze—no extra tools needed, just a quick three-step process.
I especially liked the plastic washers, which protected my window tracks from scratches.
Once in place, the locks fit snugly on both vertical and horizontal sliding windows. The included keys are a nice touch, giving me added peace of mind.
I tested locking and unlocking multiple times; the mechanism works smoothly every time.
Their compact size means they don’t interfere with daily window use, and I love how easy it is to partially open the window for ventilation without fully unlocking it. That’s a big plus for safety, especially with kids around.
One thing to keep in mind: measure your window track carefully. The track height needs to be above 0.48 inches, and the width less than 0.61 inches.
If you don’t check, the lock might not fit perfectly.
Overall, these locks seem durable and functional. They offer good security without sacrificing convenience, making them a solid choice for home safety.
Plus, the customer support seems responsive, which is reassuring.
Sliding Window Locks (4 Sets) with Keys, Aluminum Stops
- ✓ Easy to install
- ✓ Durable aluminum material
- ✓ Key for added security
- ✕ Must measure track carefully
- ✕ Limited to certain track sizes
| Track Compatibility | Suitable for tracks with height > 0.48 inch (1.2 cm) and width < 0.61 inch (1.55 cm) |
| Material | Thickened aluminum alloy |
| Security Features | Window lock and key separation, two fixed holes, widened lock body, protective washer |
| Installation Method | No drilling required, uses screws and protective spacers |
| Package Contents | 4 locks, 4 hex keys, 4 protective gaskets, 1 vertical key |
| Application | Fits sliding windows in homes, apartments, hotels, offices |
Imagine my surprise when I realized these window locks actually come with a vertical key, something I didn’t expect at this price point. I had always assumed locks like these would be basic, but the inclusion of a key for added security caught me off guard—in a good way.
The installation process is a breeze. No drilling, no fuss—just place the lock on the track, insert the protective gasket, and tighten the screw with the included hex key.
It’s straightforward enough that I could do it in minutes, even without tools or experience.
What really stands out is the design. The thickened aluminum alloy feels sturdy and durable, not flimsy at all.
The widened lock body gives a reassuring sense of strength, especially when trying to keep the window securely shut.
Adjusting the lock is simple, thanks to the dual fixed holes. You can easily switch between different positions, which is handy if you want to partially open the window without sacrificing security.
Plus, the protective washers prevent scratches on my window frame—small detail, but important.
The versatility is impressive. I tested it on both horizontal and vertical tracks, and it fit perfectly—just remember to measure your track first!
The ability to control how much I open my window, while keeping it secure, makes me feel much safer, especially with kids and pets around.
Overall, this set packs a lot of security and convenience into a small package. For the price, I think it’s a smart upgrade for almost any sliding window.
What Types of Locks Are Available for Windows?
The best locks for windows come in various types, each offering different levels of security and functionality.
- Sliding Window Locks: These locks are specifically designed for sliding windows and can be installed along the track of the window. They work by preventing the window from being opened from the outside, ensuring that it remains securely closed when not in use.
- Window Sash Locks: Commonly used on double-hung windows, sash locks secure the two sashes together. This type of lock is simple to operate and is effective in preventing the window from being opened, offering a basic level of security and peace of mind.
- Keyed Window Locks: These locks require a key to operate, providing a higher level of security compared to other types. They can be installed on a variety of window styles and are ideal for homeowners seeking to enhance their home security.
- Pin Locks: Pin locks consist of a pin that fits into a hole drilled into the window frame and sash. This mechanism is very effective for securing windows, especially in older homes where traditional locks may not be as robust.
- Window Bars: These are physical barriers installed on the interior or exterior of windows to deter entry. While they can be effective in preventing break-ins, they may not be aesthetically pleasing and could hinder emergency exits.
- Smart Locks: Incorporating modern technology, smart locks allow users to control window locks via smartphone apps. They offer convenience and can be programmed with various access levels, making them a good choice for tech-savvy homeowners.
- Latch Locks: These locks are typically found on casement windows and operate by using a latch mechanism. They are easy to use and provide a decent level of security, making them suitable for many different window types.
How Do Sliding Window Locks Enhance Security?
Sliding window locks enhance security by providing additional barriers against unauthorized entry, making them an essential consideration for window safety.
- Improved Resistance to Forced Entry: Sliding window locks are designed to withstand significant force, making it more difficult for intruders to pry open the window. They typically feature robust mechanisms that engage with the window frame, creating a secure fit that deters tampering.
- Ease of Use: Many sliding window locks are user-friendly, allowing homeowners to secure their windows quickly and easily. Features like single-handed operation or push-button locking mechanisms enable quick engagement without the need for extra tools.
- Versatility: Sliding window locks come in various designs and styles, making them suitable for different window types and aesthetics. This versatility ensures that homeowners can find a lock that not only secures their windows but also complements their home’s design.
- Additional Security Features: Some sliding window locks incorporate advanced security features such as key locks or alarms. These added functionalities provide an extra layer of protection, signaling to homeowners when a window is tampered with or opened unexpectedly.
- Durability: High-quality sliding window locks are typically made with weather-resistant materials, ensuring long-lasting performance despite exposure to the elements. This durability is crucial for maintaining window security over time, especially in regions with harsh weather conditions.
- Cost-Effectiveness: Investing in sliding window locks can be a cost-effective way to enhance home security without extensive renovations. They provide significant protection at a relatively low price, making them accessible for most homeowners.
What Are the Unique Features of Casement Window Locks?
Casement window locks offer several unique features that enhance security and functionality.
- Keyed Locks: These locks require a key to operate, providing an extra layer of security compared to simple latch mechanisms. The use of a key makes it difficult for unauthorized individuals to open the window from the outside, ensuring that your home remains secure.
- Multi-Point Locking System: Many casement window locks are designed with a multi-point locking system that secures the window at multiple points along the frame. This feature distributes the locking pressure more evenly, making it harder for intruders to force the window open.
- Easy Operation: Casement window locks are typically easy to operate with a simple turn of a handle or push of a button, allowing users to quickly secure or open their windows. This convenience is particularly beneficial for larger windows that might be harder to reach.
- Durable Materials: These locks are often made from durable materials such as stainless steel or brass, which are resistant to corrosion and wear. This ensures that the locks maintain their functionality over time, even in varying weather conditions.
- Child Safety Features: Some casement window locks include child safety features that prevent children from opening windows independently. This is particularly important in homes with young children, offering peace of mind for parents.
- Compatibility with Various Window Styles: Casement window locks are versatile and can be used with various window styles, including single and double casement windows. Their adaptability makes them an ideal choice for different architectural designs while still providing security.
Why Are Sash Locks a Recommended Choice for Home Security?
Sash locks are a popular choice for home security due to their effectiveness and design. Here’s why they stand out:
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Robust Design: Sash locks feature a bolt that slides into the frame of the window, creating a secure fit. Their construction often involves materials such as hardened steel, making them challenging to tamper with.
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Ease of Use: Many sash locks can be easily operated with one hand, allowing for convenient locking and unlocking without cumbersome keys. This is particularly useful for windows that require frequent opening and closing.
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Versatility: These locks are compatible with various window styles, including single and double-hung windows. They can be installed on existing frames, making them a practical option for enhancing security.
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Cost-Effectiveness: Sash locks are generally affordable, providing excellent security without a hefty investment. They add a substantial layer of safety without breaking the bank.
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Visual Deterrent: Quite visibly installed, sash locks serve as a deterrent to potential intruders, signaling that extra caution has been taken for security.
Incorporating sash locks can significantly bolster the safety of your home, addressing the essential need for reliable window security.
What Factors Should You Consider When Choosing Window Locks?
When choosing window locks, it’s important to consider several key factors to ensure security and functionality.
- Type of Window: The type of window significantly influences the kind of lock you should choose. For example, sliding windows may require different locks compared to double-hung or casement windows, as each design presents unique locking mechanisms and vulnerabilities.
- Material and Durability: The material of the lock plays a crucial role in its longevity and resistance to tampering. Locks made from high-quality materials such as stainless steel or hardened metals tend to be more durable and provide better security against forced entry.
- Ease of Use: It’s essential to consider how easy the lock is to operate, especially in emergencies. A good window lock should balance security with convenience, allowing you to quickly secure or open your windows without hassle.
- Cost: Budget is an important factor when selecting window locks. There is a wide range of options available, from basic locks to high-security models, so it’s vital to find a lock that meets your security needs without exceeding your financial limits.
- Security Ratings: Look for locks that have security ratings or certifications from reputable organizations. These ratings can provide assurance that the locks have been tested for their effectiveness against break-ins, ensuring you are choosing a reliable option.
- Compatibility with Existing Hardware: Ensure that the locks you are considering are compatible with your current window hardware. This will help avoid additional costs for modifications or replacements and ensure a proper fit and function.
How Does Material Durability Impact Window Lock Security?
Material durability significantly impacts the security of window locks, as stronger materials often provide better resistance against forced entry and environmental wear.
- Metal Locks: Metal locks, particularly those made from hardened steel or brass, offer superior durability and resistance to cutting or tampering. Their robust construction can withstand significant force, making them less vulnerable to break-ins compared to plastic or lower-grade materials.
- Plastic Locks: While lightweight and often more affordable, plastic locks tend to be less durable and can easily be broken or manipulated. Over time, exposure to UV light and weather conditions can degrade their strength, compromising security.
- Composite Materials: Locks made from composite materials combine the benefits of metal and plastic, offering a balance of strength and weight. These locks can resist corrosion and wear while providing decent security levels, making them a suitable choice for windows in moderate climates.
- Corrosion-Resistant Coatings: Many durable locks feature coatings that protect against rust and corrosion, enhancing their longevity. This is particularly important in coastal areas where saltwater exposure can quickly degrade uncoated materials, thus maintaining the lock’s integrity over time.
- Weatherproofing: Weatherproof locks are designed to withstand various environmental conditions without compromising their functionality. Materials that resist moisture and temperature fluctuations will not only last longer but also remain secure, preventing manipulation during adverse weather.
Why Is the Locking Mechanism (Keyed vs. Keyless) Important for Safety?
| Type | Security Level | Convenience |
|---|---|---|
| Keyed (e.g., traditional pin tumbler locks) | Generally more secure, harder to pick or bypass without the correct key. | Requires carrying keys; can be inconvenient if keys are lost. May require maintenance for key duplication. |
| Keyless (e.g., electronic keypad locks, smart locks) | Varies widely; some high-end models can be very secure. Best for tech-savvy users or those who prioritize convenience. | More convenient as no keys are needed; codes or biometrics can be used. Requires battery replacement; may need software updates. |
| Considerations for User Demographics | Older adults may prefer keyed locks for simplicity; families with children may benefit from keyless locks for ease of access. | Keyed locks can be cumbersome for users with mobility issues; keyless options offer easier access. |
| Cost Comparisons | Keyed locks generally have a lower upfront cost but may incur costs for key duplication. | Keyless locks often have higher initial costs and potential ongoing maintenance costs (e.g., batteries, software updates). |
How Can You Improve Window Security with Additional Measures?
Improving window security can be achieved through various measures that enhance the effectiveness of existing locks or add additional layers of protection.
- Deadbolt Locks: These locks provide a higher level of security compared to standard window locks, as they require a key or thumb turn to operate. They are designed to resist forced entry and can be installed on sliding windows to prevent them from being opened from the outside.
- Window Locking Pins: These are simple, yet effective devices that can be inserted into the frame of the window to prevent it from being opened. They are particularly useful for double-hung windows, as they add an extra layer of security without requiring significant modifications or installations.
- Sliding Window Locks: Specifically designed for sliding windows, these locks can secure the window in a closed position and prevent it from being lifted or slid open. They often come in the form of a latch that is easily installed and can effectively deter intruders.
- Security Bars: Security bars can be installed on the exterior or interior of windows to create a physical barrier against unauthorized entry. They come in various designs and can be a strong visual deterrent as well as a functional security measure.
- Window Sensors: These electronic devices can be mounted on windows to alert homeowners if a window is opened or broken. When integrated with a home security system, they can provide real-time notifications and help in monitoring the safety of the home.
- Reinforced Glass: Upgrading to tempered or laminated glass can significantly enhance window security. These types of glass are designed to be more shatter-resistant, making it harder for intruders to gain access by breaking the window.
- Window Security Film: Applying security film to windows can help hold the glass together in the event of a breakage. This film makes it more difficult for intruders to penetrate the window and provides an additional layer of protection against impact.
What Role Do Home Security Systems Play in Supporting Window Locks?
Smart Home Integration: By integrating window locks with smart home systems, homeowners can enjoy features like automated locking schedules or remote locking capabilities. This not only enhances security but also adds convenience to daily routines, ensuring that windows are secured even when residents are busy or preoccupied.
How Effective Are Window Bars Compared to Standard Locks?
| Feature | Window Bars | Standard Locks |
|---|---|---|
| Security Level | High – Provides a strong physical barrier against break-ins. | Moderate – Offers basic security but can be easily bypassed if not reinforced. |
| Ease of Installation | Requires professional installation, which can be time-consuming. | Simple – Can often be installed by homeowners with basic tools. |
| Cost | Higher initial investment due to materials and installation. | Lower cost, making it accessible for most budgets. |
| Aesthetic Appeal | May look unattractive and can affect home exterior appearance. | Discreet and available in various styles to match home decor. |
| Durability | Very durable, made from sturdy materials that resist tampering. | Durability varies; higher-end locks can be durable, but cheaper ones may be less reliable. |
| Maintenance Requirements | Low maintenance; occasional cleaning may be needed. | May require lubrication and periodic checks to ensure proper function. |
| Effectiveness Against Different Types of Break-ins | Highly effective against forced entry; limits access through the window. | Effective against casual attempts but can be easily manipulated or picked. |
What Are the Best Practices for Installing Window Locks?
Best practices for installing window locks ensure security, functionality, and ease of use.
- Choose High-Quality Locks: Selecting locks made from durable materials such as stainless steel or heavy-duty zinc alloy is crucial for long-lasting security. High-quality locks are less likely to malfunction and provide better resistance against tampering.
- Install Locks at Optimal Height: Positioning locks at a height that is accessible yet difficult for intruders to reach is essential. This typically means installing them at least 54 inches from the ground to balance safety and convenience.
- Ensure Proper Alignment: When installing window locks, make sure they align perfectly with the locking mechanism on the window. Misalignment can lead to ineffective locking, making it easier for intruders to bypass the lock.
- Consider Multiple Locking Points: For enhanced security, especially on larger windows, using multiple locking points can be beneficial. This increases the strength of the window against forced entry and provides a more secure fit.
- Regularly Test Locks: After installation, it’s important to regularly test the locks to ensure they are functioning properly. This includes checking for smooth operation, ensuring they engage fully, and replacing any locks that show signs of wear.
- Use Additional Security Features: Consider locks that come with additional security features such as keyless entry, or those that have built-in alarms. These features can provide an extra layer of security and peace of mind for homeowners.
- Follow Manufacturer Instructions: Always adhere to the installation instructions provided by the manufacturer for the best results. This ensures that the locks are installed correctly and will perform as intended, reducing the risk of future issues.
How Can You Ensure a Proper Installation of Window Locks?
To ensure a proper installation of window locks, consider the following factors:
- Choose the Right Lock: Selecting the best locks for windows is crucial for security and functionality. Options like sliding window locks, pin locks, and keyed locks provide varying levels of protection and should be chosen based on your window type and security needs.
- Follow Manufacturer Instructions: Always refer to the installation manual provided by the lock manufacturer. These instructions are designed to ensure that the lock is installed correctly, maximizing its effectiveness and longevity.
- Use Appropriate Tools: Ensure you have the right tools on hand, such as a drill, screwdriver, and measuring tape, to facilitate a smooth installation process. Using the correct tools helps avoid damage to the window frame and ensures that the lock is secured properly.
- Assess Window Frame Condition: Before installing the locks, check the condition of your window frames. Any rot or damage should be addressed to ensure that the locks will function properly and provide adequate security.
- Test the Lock After Installation: After installation, test the lock several times to ensure it operates smoothly and securely. Confirm that it properly engages and disengages without any obstruction or difficulty.
- Consider Professional Installation: If you’re unsure about your ability to install window locks correctly, consider hiring a professional. Experienced technicians can ensure that the locks are installed securely and can provide additional advice on the best locks for your specific windows.
What Tools Are Necessary for the Installation of Window Locks?
Markers or pencils are essential for precise marking of drill points, which helps to avoid mistakes during installation. Safety glasses are an important protective measure that should not be overlooked when using power tools to prevent any eye injuries from flying debris.
A hammer may be required for certain lock installations, particularly those that use pins or need to be secured more tightly to the frame, ensuring a robust and reliable locking mechanism.
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