Combination locks may seem secure, but they're not foolproof. Despite their popularity, they're vulnerable to a technique called "lock manipulation," where skilled individuals can determine the ...

I've used a combination padlock for years, but never really understood how it worked until I made this video. The combination ...

Imgur user [Criand] has been hard at work on his own project made entirely out of paper, a combination lock that can hold a secret message (reddit post). The motivation for the project was as a ...

Laser cut plywood boxes with combination locks are even cooler, especially when the combination is entered on four separate number selectors, on four sides of the very same box. That’s exactly ...

If you look closely, the ones you can observe have the same symbols on them as the combination lock. Begin by creating a hole in the wall so you can reach the second room, pushing the cupboard to ...