I have a torn Rotator Cuff AND a Golden Retriever who loves to play ball.  Before the ChuckIt! I could barely throw that ball 20 feet.  Now just a flick of my wrist send the ball sailing.  Be sure to get "The Whistler Balls" with it.  They bounce better than any ball I've ever used and my Golden LOVES chewing on them.  They must feel great in his mouth and they seem to be pretty indestructible!!!