Driver Picks the Music. Shotgun Shuts His Cakehole - Supernatural Inspired Hand Stamped Key Chain This key chain is made from a sturdy 1" x 2" brushed aluminum dog tag, hand stamped with "Driver Picks the Music. Shotgun Shuts His Cakehole." Sturdy, Tarnish-free Aluminum is Durable and Lightweight Packaged in a cute Foxwise gift bag - because we're just cool like that! Our key chains make fantastic stocking stuffers! Foxwise item; offering handmade awesomeness on Amazon since 2012.