IIRC he promised to shave his head if Georgia won the National Championship, and he did.
Vince introduced Hershel to the Vols in the 2nd half of a game at Neyland.
TN was up 15-0.
Hershel won that game and introduced himself to Bill Bates.
Dawgs 16 Vols 15
Quite the show in 1982. Dawgs went on to take the title.