Nero Ball ULTRA TM - Dog Training Ball On A Rope - Exercise and Reward Toy For Dogs NEW The Nero Ball  ULTRA is a Brand New Designed For Active Dogs Used by Police K-9 and Military Working Dog Teams Worldwide Better Than A Regular Ball - Rope Allows You To Throw Further Motivate and Exercise Your Dog - No Cumbersome Launcher Needed!! USED TO TRAIN, MOTIVATE AND STRENGTHEN BOND BETWEEN YOU AND YOUR DOG.