Ever seen a lock with a round key and thought what wizardry it is? That’s a tubular lock, although some folks call it an Ace, ...

Mechanical locks secure doors as either deadbolts or door-handle devices. Keys serve as the means to unlock these mechanical locks, and possessing a working key determines who can access secured areas ...

I received this note and the film being referenced is scary. I find nothing about this ability for "master keys to be bumped/used on MOST house locks". Is this a scam, or is principle similar to ...

"The new ML System is a patent-pending Key Control product. It is not high security and does not offer increased pick or drill resistance." This is the opening sentence from a September 2003 update of ...