Fishing swivel

Fishing swivel is a small device consisting of two rings connected to a pivoting joint. The device is usually made of metal, and the pivoting joint is usually ball- or barrel-shaped. The line from a rod and reel is tied to one end, and a length of fishing line, often terminated by a hook, lure or sinker, is tied to the other. The main purpose of the swivel is to allow the line to untwist during line retrieval, preventing undesirable tangling. This is particularly important for users of monofilament test line。