Pin fastens with what is known as a butterfly clutch which is one of the most popular modern methods of attaching pins, also known as a military clutch.
The back of the pin has a small prong attached and when the butterfly clutch is squeezed and pulled up from the prong the pin is released from the clutch.
A lapel pin is a small pin worn on clothing on the lapel of a jacket.
Lapel pins can be ornamental or can indicate wearer's affiliation with an organization or cause.
Description
Pack of 2 US Navy S-3 Viking Motorcycle Hat Cap Lapel Pin APL-079