Power Leg Coil
1) Keeps you from swaying off the ball which can be deadly for your timing.
2) Keeps that right knee flexed on the backswing keeping your hips level with your shoulders and helping to maintain a vertical spine angle.
3) Gives you the kinetic feedback necessary so that you can compare swings with Power Coil on and off. This gives you a reference point of comparison.
Power Coil can be used by both professional and beginner. Right hand or left hand player. Comes with removable Velcro strap that can be used on its own as well. Use the Power Coil in practice!
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