The Double Dog Leash allows you to walk your pets farther apart, closer together, or at different lengths, giving you the power to control their movements. It also means you only have to hold one leash, which is easier, safer, and much more comfortable. This Coupler Can Be Also Be Used As a Single Leash! Or you can add a coupler to one end and make it a tripler! EZ Steps� is friendlier to your dog and also minimizes stress and tension on your neck, shoulders and arms. Makes walking your dogs more fun!