Pin
A pin is a device, typically pointed, used for fastening objects or fabrics together. Pins can have the following sorts of body: a shaft of a rigid inflexible material meant to be inserted in a slot, groove, or hole (as with pivots, hinges, and jigs) a shaft connected to a head and ending in a sharp tip meant to pierce one or more pieces of soft materials like cloth or paper (the straight or push pin) a single strip of a rigid but flexible material (e.g.