Chase- Sure to give your do a run for their money. Tug - Playing tug-o-war helps your dog relieve stress. Solo Play- Interactive bungee gently tugs back for entertaining solo play. Use with Jolly Jumper (included) or any attachable Jolly Pets item like the Tug-n-Toss, Romp-n-Roll, Jolly Tug, Tug-a-Mal, et. Made of Ballistic Nylon Bungee.