From the positioning of the seats, I suspect the tub moves forward on its own. But there's no steering wheel. Â It would be very convenient for cleaning under the tub.
Term, I think your supposed to fill that trough with ice to keep the beer cool. Â You could still pee in it, though. That would likely be determined by your applicable state and local laws.
In any event, all I can think of is "better living through design!"