Abstract: A self and manually adjustable exercise device includes a pair of shoulder portions attached to each other. Each shoulder portion forms a respective loop around and engages with a respective shoulder region of a human torso. Each shoulder portion includes a respective belt portion that forms the respective loop, and a respective load coupling structure connected to the respective belt portion to self-adjust a respective position at which the respective load coupling structure connects to the respective belt portion when the respective load coupling structure connects to a respective load.