What Is a Switchblade? Definition, Mechanisms, and the Law
A switchblade is a pocketknife whose blade is extended automatically by a spring when you press a button, lever, or switch in the handle or bolster. The blade locks open, and an unlocking mechanis...
What Is a Spring Knife? Springs in Folding Knives Explained
Ask five knife people what a spring knife is and you may get five different answers. The Wikipedia entry on the switchblade lists it as one of the many names for an automatic knife: a pocketknife w...
Assisted Opening vs Manual Folding Knives: Pros and Cons
When you pick up a folding knife, the first question is usually about the blade steel or the lock. But the opening mechanism matters just as much: assisted-opening knives use a spring to finish th...