What is Pin?
[[File:Pin-artsy.jpg|link=https://en.wikipedia.org/wiki/File:Pin-artsy.jpg|right|thumb|A collection of push-pins in a [[Cork (material)|cork board]]]] A '''pin''' is an object used to [[attach]] something to a surface. It is usually [[metal]] or [[plastic]]. Pins are usually sharp and are cheap to buy. ==Types of pins== * [[Bobby pin]] * [[Hairpin]] * [[Push pin]] * [[Cotter pin]] * [[Clevis pin]] * [[Safety pin]] {{tech-stub}} [[Category:Tools]]