There are tons of tricks to open up a beer bottle. If you don't want to carry a bottle opener with you all the time you might want to check into this Parano garage belt. It's got one built in. So even if you didn't mean to bring one, you've got one with you. Girls might look funny when you start unclipping your belt all of a sudden but you
should see the smiles on the faces when you're done with the trick.
Now here's the good part. If you place an order at Parano Garage mailorder of € 100,= or more, they'll throw one in your order (as long as stock lasts). Now check the site and see what you need to make this happen:
Parano Garage