I'm guessing here....
"The Greater the Teacher, the More Powerful the Player."
The Mission Statement: "I want to show any young man that he is far tougher than he thinks, that he can accomplish more than what he dreamed and that his work ethic will take him wherever he wants to go."
Coach Erdelyi included the Belly Slide along with Buck Sweep and Jet as his 3 offensive series at Carnegie Mellon. I think there's Keep, Counter and Truck plays that go with the Belly ISO.