Sturdy Shock Absorbing Bungee 3 dog coupler. It does not train your dogs to walk together but is a great product for owners who have trained their dogs and wants to walk them with one leash

Works perfect for our trio; keeps wrist/hands available and gives them just enough space

Shock Absorbing Bungee Extension: Unique bungee design helps to absorb shock of quick movement when used with energetic and active dogs, reduce the feeling of being pulled