Build a Draft Jockey Box

You have your kegerator set up and running smoothly; your friends love to drop by and drink your homebrew on tap. But now you (and they) want to bring your finely crafted brew out and about to parties, picnics, and other social gatherings. You could build a portable kegerator, but there is a cheaper and simpler alternative that also opens up the possibility of serving multiple kegs on the go: a jockey box.
Issue: March-April 2012