If you want to add some serious speed to your swing — and in little time — look no further than the Stack Speed System training aid.
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What do you get when you pair a biomechanics professor with PING’s vice president of performance?
Accompanying the club is an app, which uses a proprietary algorithm to guide you through personalized speed-training workouts, produce metrics and help you set goals. Put in the work and the ball won’t know what hit it.