Ruffwear Just-A-Cinch Obsidian BlackGreat for car rides The Just-a-Cinch is a rugged, climbing-inspired, utilitarian leash/collar combination. The end loop creates a "collar" you can slip over your dog's head, using the silicone bumpers to keep it in place.Slip leads are a common tool appreciated among shelters for their simple, seamless functionality. It eliminates the need to clip into a separate collar that some dogs have a knack for slipping out of. Those features make it equally loved as both an everyday grab-and-go leash and an always-have-one-in-the-back-of-the-car solution.New for 2021: A second sliding silicone bumper to help set loose/tight limits.Rope Length: 5 ft (1.5 m)Rope Diameter: 11 mm