Training aids for baseball and softball hitting, bat weights, improve player's swing

The Hitting Jack-It is the only variable hitting system on the market today. With its patented design, the products will help develop proper swing mechanic for the hitter. The Hitting Jack-It products are used by all 30 major league baseball teams.



via Education - Latest News http://www.prlog.org/12256205-training-aids-for-baseball-and-softball-hitting-bat-weights-improve-players-swing.html