Red Chew Proof Dog Leash: 16ft retractable dog leash for large breed dogs with anti-chewing steel wire can help you extend the life of the leash, CROWN PAWS wire ropes is Strong and Durable. Tape Guidance System ： Thanks to the tape guidance system, which has been perfected through countless tests,the tapes can be tangle free 360 Degree extended in all directions without getting jammed.The Durable Rustproof Swivel Hook makes the tape 360 Degree rotation does not hurt the dog. Comfortable and Safe Braking System ：The CROWN PAWS braking systems are not only intuitive and smooth, they also react in the split of a second.the dog can be stopped at any time using the brake. The inner 301 stainless steel coil spring mechanism allows the owner to safely control the dog. By using the brake and arm movements, the dog can be brought to heel and the leash can be locked. Heavy duty & Durable: CROWN PAWS chew proof retractable dog leash uses nylon tape material provided by the car seat belt supplier, which has a long service life. The Comfort Handles: The Ergonomic soft-grip is comfortable in your hand, perfect for those long walks around town,great for running and trainning. Brand story In our city, Everyone is very friendly to dogs. People will spend one hour walking their dogs usually, however, Dogs are also naughty, They often make the rope knotted. What is more bad, The dog will suddenly pull the rope. And then break the rope. In order to solve everyone's worries, I started to study the tractor. After years of research by our team, the CROWN PAWS retractable dog leash was born.