Trainers – watch this carefully – This is the way to have your fighter move his head while working on the heavy bag. Mike Tyson was shooting commercial for Suntory Beer in studio. Trainer Kevin Rooney is right there reminding Mike, over and over, move your head after each last punch. It’s the most important thing a trainer should teach his fighter. Mike’s trunks were re-done by Joe Koizumi to show better on camera.