Pre-Stroke Trainer  E-mail this product to a friend

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Clip the 9-ounce Pre-Stroke Trainer on your racquet strings for a quick warm-up to avoid arm and shoulder injuries.  To develop acceleration and power on serves or groundstrokes through overspeed training, alternate between swinging with the Pre-Stroke Trainer and hitting balls.  Increase resistance by moving the Pre-Stroke Trainer toward the end of the racquet.