Traveling with your dog in your car? It is always recommended to secure your dog in a moving vehicle. This seat belt tether is secured around a cars headrest and then attaches to dog's harness. It is not recommended to attach to a dog's collar for safety. This Hip Doggie product is made with high density webbing with quality buckle and snap. Can be used in an emergency as a regular Leash or used to secure your pet when at the park, or going into a store.