THE BASIC PRINCIPLES OF DEVELOPPé COUCHé

The 2 above seem Bizarre to me. They can be basically the only points on which every video I've seen do concur (as in "do bend your knees, do raise your heels") Hinging with no bending the knees / transferring the hips down ? How ?one) I blister on tough or long parts. Really need to tape some places and put on gloves as a consequence. The cope wit