Have you ever wondered what would happen if a tyrannosaurus rex got ahold of those extendable arm grabber thingys? Well, we answered that question in this hard enamel pin. God help us all.
Standard backings are either Rubber or Metal Butterfly backings. These will securely hold your pin on, but locking backings are almost guaranteed to keep your pin in place. Think of them as 'pinsurance' for your most prized pins.