Was the last number 23, or 32? Wait, is this even my lock? If you’ve ever been late for class or stuck at the gym because of a frozen analog combo lock, you’re in luck. With this digital directional ...

Numerical combination locks have kept our stuff safe for hundreds of years. (Thanks, numerical combination locks!) But why not mix things up a little bit? How about a lock with a cheat code, instead ...

Introduced in 2009, Master Lock’s Speed Dial is the first “directional” combination lock. It replaces a series of numbers with a sequence of up-down and left-right movements (like a video-game cheat).