Working on our front rack position, opening our shoulders into full external rotation and extension. We need good external rotation in our shoulder during catch of the clean, ergo the front rack. And we also need full shoulder extension when putting that bar overhead for the jerk, overhead squat, pull ups, toes to bar, etc.
Watch the demo video from about 1:10:
Pick one or if you feel daring, do both mob’s.
FBO Fitness 