A barman at Dublin's Ryan's Pub is captured balancing pints of Guinness atop each other in this phonecam series. Three is no problem. Four is a little wet.
http://www.scaryideas.com/print/2698/
Lots of other cool Guiness stuff here.
http://www.scaryideas.com/print/2698/
Lots of other cool Guiness stuff here.