EXCALIBUR 112-SG BurpMaster Electronic Keychain. This handy keychain is a wordless way to get a laugh anywhere you go. It holds the key to making your friends laugh. Replay its built-in belch sound-effects at the touch of a button. Each burp has been carefully recorded and is an authentic re-creation of an actual belly-buster. Think you are the real BurpMaster. Try keeping up with its complete, burped-out alphabet. From A to Z in a stream of stomach eruptions, it spells hilarious. Six different burps to choose from.