The nylon couple lead for exercising two dogs at the same time. Simply attach the trigger hook of the lead to the ring on the couple. Made from sturdy nylon material, this Two Dog Walking Lead is tough enough and could not be pulled off easily. You can take a walk or run with your two dog babies at the same time or you can just combine the two dog leash into one lead by locking the hasps together when you need it. The two usages are depended on your needs. These two dog leads are made of strong nylon, which has a good tensile performance that you can have a good and safe control range about your pet, especially can prevent your dog from rushing out suddenly. You can pull back your dog when they are in dangers situation and give a good protection to them. While with the separating dog lead, walking and running will become more free and comfortable things to do!