You can enjoy hours of fun playing with your dog with this versatile hunter toy the solid natural rubber knot has been manufactured using a solid piece of rubber so that it does not unravel or disintegrate it has been designed to present a corrugated tooth friendly surface that will be easy for any dog to grab hold of a piece of rope has been attached to one end of the knot that you can hold on to through even the roughest toughest games with your dog the rubber knot also makes a great c