That was fun, though their cellarman was totally clueless:
[img:15m2ugbr]http://i213.photobucket.com/albums/cc236/thebeernut/urquelltapping.jpg[/img:15m2ugbr]
And to correct the libel above, each pub they visit does get a sealed cask of fresh beer, which they're transporting in a refrigerated van.