Chuckit! Pocket Tennis Ball Launcher Description Your dog brings you back the ball proud as can be and drops the slobbery mess at your feet. Keep your hands clean with the Chuckit! Pocket Ball Launcher. It's compact, portable, and designed for hands-free pick up. It's small enough that you can take it anywhere. Use the Chuckit! Pocket Ball Launcher with Chuckit compatible balls or standard size tennis balls.