The Next Generation of Shock Absorbing Dog Leads. An innovation worth shouting about! - A high-spec design, shock-absorbing webbing dog lead that works. Meticulously designed, the Zero Shock Lead has a highly sprung bungee system that effectively absorbs any sudden shocks made by your dog. Furthermore, it is soft, durable and will not wear over time. The Zero Shock Lead combines ultimate comfort, control and protection, without compromising on style and quality. Zero Shock Technology - the advanced shock absorbing component in the center of the lead that cushions and eases the pressure for both the owner and the dog.