On the minute, every minute, for 15 minutes (5 sets), complete:
Interval 1 – Chest-to-Bar Pull-Ups x 20 seconds Max Reps
Interval 2 – Wall Ball Shots x 20 seconds Max Reps (20 lbs to 10′ target; 14 lbs to 9′ target)
Interval 3 – Double-Unders x 20 seconds Max Reps