pet products Pet Strong Spring Telescopic Traction DeviceSturdy and Escape Proof Made of high strength nylon and metal buckles with strong load bearing capacity, it prevents pets (especially large or easily excited dogs) from breaking free due to sudden force, ensuring the safety of both pets and pedestrians. Replaceable Rope When the rope becomes too short, you can easily open the handle cover and replace it with a new one. One purchase doubles the lifespan. (A spare rope is included in the package.)