A clothespin or clothes peg is a fastener used to hang up clothes for drying, usually on a clothes line. Clothespins come in many different designs.

A fastener or fastening is a hardware device that mechanically joins or affixes two or more objects together. In general, fasteners are used to create non-permanent joints; that is, joints that can be removed or dismantled without damaging the joining components. Steel fasteners are usually made of stainless steel, carbon steel, or alloy steel.