The incline is also much better at developing the all-important shoulder girdle. Hold a scrap of wood over the area so the hammer head doesn't put dents inside of jamb. In one instance it is designed for a large box which usually easily adapt to an oddly shaped boat bottom. https://Rc.intaps.com/francineregan/1508lifting-chain/wiki/Top-9-Lower-Body-Strength-Exercises-For-Football-Lineman