Efficient Beer Stand

[CoMoChief]

Originally Posted by ChiTown

Have to use specially designed cups. If you notice, the cups have a red circular bottom that push up when the cups are placed on the dispenser. When she lifts the cup, the the red disk drops and secures the space. Pretty genius.

I kinda figured it had to be some special cup made for that machine, I'm just in shock on how it becomes air tight so nothing pours out from the bottom once it's full.