A drawing pin or thumb tack, also called a push-pin, is a short, small pin or nail with a flat, broad head that can be pressed into place with pressure from the thumb, often used for hanging light art
Pin
…with a spring and guard. He sold the rights to his invention to pay a debt to a friend, not knowing that he could have made millions of dollars. The push pin was invented in 1900 by Edwin Moore and quickly became a success. These pins are also called "map pins" and are distinguished by having an easy to grip…
Push pin
Drawing pin or thumb tack
Drawing pin or thumb tack, made out of 14 carat gold.
Design with pin formed from a cutout from the head