Waudog Soft Leather Slip Leash 10mm Waudog Soft Leather Slip Leash 10mm Genuine leather of the highest quality Resistance for all weather conditions Nylon cord inside A great choice for long-haired dogs Slip-leash helps to control the pet A round slip-leash is perfect for everyday walking and for training. The slipknot squeezes tightly the dogs neck when he moves forward fast. When the dog stops pulling the leash, the slipknot increases its size and stops tightening the neck. The slip-leash does not cut and damage the dogs hair.