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 ...

A secure locking mechanism, like a double-locking shackle or high-security combination, is also essential for resisting tampering or brute force attacks. Equally important is the padlock’s ...

Combination locks, in particular (especially TSA-approved locks), are created to lock luggage shut while still allowing airport security staff to look inside without damaging the lock.

If you’re looking for a lock combination that can hook other bikes or cycling accessories together then this lock and cable combination makes a lot of sense. Kryptonite New York M18 U-Lock ...