In this video, I transform a rusted bearing into a beautifully crafted butterfly knife. Crafting such an exquisite knife ...

Like any kid growing up at a time when the notion of adolescent martial arts-practicing humanoid amphibians did not seem weird at all, I was pretty fascinated by ninjas. This obsession manifested many ...

The U.S. Court of Appeals for the Ninth Circuit has held that Hawaii's ban on "butterfly knives" violates the Second Amendment, finding the pocketknife-esque blade falls under the definition of "arms.