Used 8 oz Changeup Circle. The 8 oz model is recommended for players 13 and under. I also have an 5 oz model available under a separate listing.
Below is a description of the product from the Changeup Circle website:
The Changeup Circle is a warm up and training tool designed to help baseball players of all ages develop a solid changeup pitch, warm up properly before competing, support arm care, and improve their overall throw.
The Changeup Circle is designed to teach players to use wrist flexion upon release—properly sequencing the kinetic chain for maximum throw control with the minimum resistance and injury risk. It is an tool for a pitcher to understand the changeup pitch. Both in grip and feel. As they release the Changeup Circle and then put a baseball in their hand, they see results and the differences between the fastball and the changeup both in speed and ball flight and trajectory. It also helps players develop the understanding of pronation in their throw. They can feel and see how pronation is important especially in the changeup pitch. This will develop the pitch to create horizontal run or vertical drop—and for some players both. It also assists players with developing proper throwing mechanics, promoting arm care, and aiding in success on the mound and in the field.
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