Empire Tracks Dog Leash Coupler, Two Dog Lead with Stitches by Kakadu Pet Small, 1/2" x 9-15", Fire (Red with Gray Stitch) The Empire Tracks Adjustable Coupler is designed to comfortably walk two pets together, simply clip your lead to the metal O-ring and you are ready to go. Classic base colors with a contrasting stitch design. Made from 100% quality Nylon Machine washable