Butterfly Knife 〈macOS〉

: The handle that closes on the sharp edge; holding this during manipulation can lead to accidental cuts.

: A locking mechanism at the base of the handles that holds the knife in either the open or closed position. Construction Types :

: The base of the blade where the handles are attached via pivot pins. butterfly knife

: Each handle is milled from a single solid piece of material, often making it more durable. History and Origins

The exact origin of the butterfly knife is a subject of historical debate, primarily between two theories: Balisong: What Is a Butterfly Knife? - The Armory Life : The handle that closes on the sharp

: Assembled in layers held together by pins or screws.

A butterfly knife, traditionally known as a , is a folding pocketknife characterized by two handles that counter-rotate around the tang, allowing the blade to be concealed within the handle grooves when closed . While famously used for complex manipulation tricks—a subculture known as "flipping"—it was originally designed as a practical, rapid-deployment tool for tasks like cutting netting or self-defense. Anatomy and Construction : Each handle is milled from a single

The design of a butterfly knife is relatively simple but requires precision engineering for smooth movement.