this model is specially designed to distribute pressure across the body so that even if your pit tries to pull ahead the harness won’t pull or choke him or her. a full list is available here, and a map is available here. i like the effect it provides here. well, of course the best way to teach manners is to show manners. it is not possible to place an item on hold. use any soap products, detergent, or shampoo in the tub. they can check out the sports results at any time. or use a rug yarn and turn it into a rug. 