What is a hipster? Look at this fucking hipster...

If you have glasses without a calibration mark. In Germany, drinkers want beer up to the calibration mark and then as much of a head on top as possible = more beer. :)

The calibration mark will be around the bottom of the head on this.

It's from the bottle. There's no more beer in the bottle than there's beer. In the bottle. And tings.