Once your puppyAAAs big and clumsy paws erupt into a thunderous gallop, thereAAAs no dog leash that can contain the oversized adolescent. ThatAAAs why Ruffwear turned a climbing rope into the Knot-A-Leash and gave it a locking carabiner. Your beloved pup is growing faster than he or she is learning to listen, so keep him or her close with the help of this climber-inspired nylon rope and strong metal locking carabiner.