Baseball Throwing Spin Trainers

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Increase pitch efficiency, accuracy and spin rate with our 4 seam, 2 seam, regular and curveball baseball spin trainers. Great for all ages! The goal is get behind the baseball and have a clean release. When performed correctly, the ball will have minimal wobble and and smooth rotation. If there are inefficiencies in grip, arm action or release point the ball will wobble, cut or dive. Weight: 5.25 ounces Show more