Within the fields of everyday carry and travel security, the zipper lock is a category whose core structure has rarely been reexamined. For decades, most designs have relied on keys or simple ...

The Corbin Russwin Pyramid is a patented, high security lock system incorporating unique pin tumbler specifications and the secondary Pyramid locking mechanism, operated by a spring loaded, control ...

Most people probably don’t think about springs until one kinks up or snaps, but most of the world’s springs are pretty crucial. The ones that aren’t go by the name Slinky. We all use and encounter ...