Perhaps you don't have one of these. Or any recognizable form of a bottle opener. Your friends are staring at you, waiting to see how you'll MacGyver yourself out of this one. Those jerks.
Luckily, you know that all you need is a shoe, hammer and screw, coat hanger and/or a bike pump to get the booze flowing. At least, you will know after we show you how it's done:Picthx Visual.ly, Wiki