Check the listing for details. Swiss Army Knife Motorcycle Hat Cap Lapel Pin P00703. Condition: New. Listed at 9.11 USD. Lapel Pin Measures: 1-1/8"· Our pins are die struck from jewelers metal, soft enamel color filled, and epoxy coated.· 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.Lapel Pin Measures: 1-1/8"· Our pins are die struck from jewelers metal, soft enamel color filled, and epoxy coated.· 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.