The Ruffwear Double Track is a two dog leash coupler that allows easy, tangle-free walking of two dogs. Wavelength stretch webbing absorbs shock, providing a comfortable experience for dogs and their humans. The swiveling, lockable Crux Clip provides strong and secure attachment to both dogs. Combine with most Ruffwear leashes for the ultimate multi-dog setup. Length per side: 12in stretching to 19in.