I bought 6 of these so i don't look like a maniac with a knife. They are a riot at parties me and all my friends backstab each other and try to open each other's beers.

http://www.amazon.com/Silver-Flash-Butterfly-Bottle-Opener/dp/B002U1Y9WC/ref=sr_1_1?ie=UTF8&qid=1316177886&sr=8-1