"Ain't no rule says a cat can't play basketball." Shemp says. "That's been the premise of, like, a dozen kids movies. Buuuuut, I don't like our chances with you like this. Hold on a minute." Shemp starts thinking.

Suddenly he snaps his fingers. "Got it! Try and think of a muscle that only humans have and try to move it. Like uh, like, likelikelikelike the thump! Try and move your thumb all opposable like. Picture the thumb, focus on the thumb, and try and move it around like a non-primate can't."