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3 answers

Pushing up and down on the keg builds up the pressure inside the keg to bring the beer up the cylinder and through the spout.

2006-08-31 04:50:41 · answer #1 · answered by Chef Orville 4 · 0 0

It's an air pump that increases the pressure inside the keg so the beer will be pushed out.

2006-08-31 14:04:35 · answer #2 · answered by ironbrew 5 · 0 0

Hi. It builds up pressure and adds strength to you drinking arm.

2006-08-31 12:04:06 · answer #3 · answered by Cirric 7 · 0 0

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