if the beer's no good you could always smoke some weed though that water cork...
wtf is that contrapion?

Ha - It is an airlock - partially filled with water. When the CO2 pressure gets too great, it bubbles through the air lock, but since the air pressure will never be greater than the pressure in the container, it won't go the other way - prevents spoiling and 'splodin:

http://www.youtube.com/watch?v=dGGJLqPdesQ

That one is way less 'buttplug' looking than mine though.

I just finished the label for the beers... need to figure out how to get butcher paper to adhere to glass now.

I'll post it soon.