Baseball Throwing Trainer, Baseball Pitching Trainer Throwing Spin Trainers, Softball Spinner for Pitchers Baseball Speed Ball Baseball Training Equipment-4 Packs

Ideal Throwing baseball tool: Use this unique training tool to help throwers adjust arm swing and practice the right way to release the ball.
Durable & Comfortable: Made from high-quality materials, this baseball throwing Spin training equipment is built to last. The painted black line for identification, designed to teach the proper spin efficiency and pitch efficiency.
Easy to Use: Step 1: Put your index and middle fingers on the seam withinthe two dotted linesand put your thumb squared up and centeredat the bottom. Step 2: When you throw, stay on top so that release it out front. Step 3: With slight pressure on the index finger, the trainer should come out of your hand and draw an upward trajectory.
Spin Release Pitching Trainer for Youth Players：The spin release pitching trainer is good for youth pitching boys to get a feel for snap and staying behind the ball better.
4 Packs Spin Trainer: Must have Tool for every throwers and coach. Help promote efficient throwing.

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