I’m not quite sure on the legality of butterfly knives these days, and I know for certain that they are illegal in certain parts of the nation (NYC, I’m looking at you). So I won’t admit that I have ...

A knife that doubles as a saw, a screwdriver, a hex-head wrench, and a bottle opener. In fact, skip the knife altogether—who needs it when all of the above fold away into this badass, all-in-one ...

In this thrilling DIY project, we took a rusty, worn-out drill bit and transformed it into a fully functional butterfly knife. The process was a tough and rewarding challenge, as the drill bit, ...

Regardless of its origin, the butterfly knife resembles an ordinary pocketknife, a tool that has been used by Americans since the early 18th century (at the very latest). See State v.