Why Don't Dwarves Bottle Beer?

Because when you tap off the cap of a beer bottle, the beer instantly transforms into a gushing title-wave of foamy waste!

When you strike the bottle cap it sends waves down through the bottle, these waves strike bubbles throughout the beer, causing the them to pulsate violently. The pulsating bubbles collapse and rapidly evolve into small mushroom clouds, these clouds rise to the surface, carrying a great deal of your beer with it.

Its why dwarves don't bottle beer.

Read on.