What's the noun for pin? Here's the word you're looking for.
pin
A sewing pin, sometimes called a ballhead pin, which is a needle without an eye (usually) made of drawn-out steel wire with one end sharpened and the other flattened or rounded into a head, used for fastening.
A cylinder often of wood or metal used to fasten or as a bearing between two parts.
(wrestling) The victorycondition of holding the opponent's shoulders on the wrestling mat for a prescribed period of time.
A slender object specially designed for use in a specific game or sport, such as skittles or bowling.
(in plural pins; informal) A leg.
(electricity) Any of the individual connecting elements of a multipole electrical connector.
A piece of jewellery that is attached to clothing with a pin.
(US) A simple accessory that can be attached to clothing with a pin or fastener, often round and bearing a design, logo or message, and used for decoration, identification or to show political affiliation, etc.