it was Wedgie Kray.
or
Three: One to screw it in, and the other two to help him down off the keg.
or
To get to the baaaaarber shop
or
I've been framed!
or
Nearly unanswerable, since the one who tries to change it usually drops it, and the others call for a planning session.
or
The owner got tired of the (w)hole business!
or
Because he was bald!
or