The Coastal Pet Two Dog Adjustable Nylon Coupler in black allows you to walk two dogs at once! Constructed with all metal hardware and sturdy nylon, this coupler easily attaches to the end of a single lead and instantly converts it to a double dog walker. Designed to accommodate several size dogs. Adjust each side independently. Turn 1 leash into 2 For use with multiple dogs Made of durable nylon Adjustable