SHOP PLAY 9 - Spin Trainer - Training Baseballs for Pitchers - Genuine Leather for Game Like Feel - Baseball Training Aids - Made for All Skill Levels

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BASEBALL THROWING TRAINER: The Shop Play 9 Curveball Spinner assists pitchers, catchers, and coaches in recognizing how a pitched ball moves. The unique shape of this Spin ball, with one side flat, when moving through the air wobbles in its path if the release point, grip, or finger pressure is not correct. SHOP PLAY 9 SPINNER BALLS: With our 4-seam, 2-seam, regular, and curveball baseball spin trainers, you can improve pitch efficiency, accuracy, and spin rate. The goal is to get behind the baseball and release it flawlessly. When done correctly, the ball will have a little wobble and rotate smoothly. PITCHING TRAINER BALL: It can be used by pitchers to learn proper rotation on a baseball, which is considered necessary for movement. All pitches, including fastball, split-finger fastball, curve, change, slider, sinker, and screwball, can be thrown with the Curveball. LEATHER SPIN BALL: Shop Play 9 Curveball Baseball Spinner is made of premium cow leather, the same material as a real ball. Unlike other spinner training balls made of plastic, which becomes slick when your hand sweats in cold, wet, or hot temperatures. FOR ATHLETES & COACHES: By using the device's visual feedback, athletes can experiment individually and improve through discovery learning. After achieving the goal of throwing the device efficiently (alternating throwing the Spinner and baseball), throws of the Spin Ball should be blended with throws of a regular baseball, transferring newly acquired skills