Guys, guys, I found it! This time for real!
- Lateral Raises with plates (also called Lu Raises around here) 5-6 sets of 10 reps every day. He says he uses 15kg plates for this exercise.
- and some rubber band work, which look very similar to a typical Gymnastics Shoulder Warm Up
So you have no more excuses to not lift world record weights tomorrow.
Update: YouTube Video