A great way to help bullet proof your shoulders and rotator cuffs

This one is a must for all grapplers, especially submission based grapplers. And it's of great benefit for all martial artists. It'll  help keep your shoulders and rotator cuffs healthy and strong. I usually throw these in for 2 sets of 10-12 reps in each direction, on each side; at the end of my warm up on Monday and Saturday's training. They've helped me to keep my shoulders and rotators healthy, while also helping me move more weight in all of my presses. Great movement.