Japanese beer drinkers love their beer with a healthy head of foam. There are even gadgets that help with the frothing. The Takara Tomy's Sonic Hour works a lot like a self frothing beer mug, and it uses vibrations to kick up the bubbles to produce a thick head of foam. Check out how it works in the video below:

[Takara Tomy A.R.T.S. via Akihabara News]