Here is a resistance training system designed to improve the game of tennis players. The VeloPRO Velocity Load Harness can increase your shot velocity and spin. It corrects your heels to force you to drive with your back heel. The VeloPRO load harness is very easy to use. Simply wrap the waist belt around your waist, step into the foot strap, and clip the bungee cords in.
More gadgets like this ➡️ : here
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