Nuts for Knots 4-Knot Rope will have your dog literally going 'nuts for knots'. Knotted at both ends and two in the middle, this toy is great for tug-of-war, throwing and gnawing. This interactive toy will keep your pooch entertained for hours. The toy is tough, durable and is great for the tough chewers. It promotes good dental health! Nuts for Knots 4-Knot Ropes come in various bright colors.