AK47 Cartridge Bottle Opener
At some point in your life, you're going to have to step up when no one else has a bottle opener. You're going to want to pull out the coolest bottle opener you can too, so you can impress everybody around you. What could be cooler then an AK47 round?. Converted into a bottle opener with an attached keyring, so you can always have it on you.
Don't be in the bad situation where no one can open the beverages, be the hero they deserve and use your trusty AK47 round.