The original design for the SpeedChain began as a device to increase golf swing speed and the concept proved effective for increasing bat speed.
The basic concept of SpeedChains, whether for golf, baseball, tennis, or any other sport, is based on movement specific variable resistance.
With the Baseball Bat SpeedChain, movement begins with lighter chain links allowing high acceleration and progresses to heavier gauges of chain requiring maximum force as movement passes through the hitting zone.
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