Diga adeus ao swing errado! PGM Trainer, correção precisa do poder de rebatida de remodelação do braço

product description Brand PGM item number JZQ012 Name: Smart Inflatable Balloon Material: PVC Body Product size 15x15x93cm flagpole color Black, Grey, Rose Red Packaging size 18 * 12 * 4cm Product Introduction: Fixed arm posture, maintaining correct swing trajectory, synchronizing body and arm, establishing good swing habits High quality PVC material, better hand feel Easy to lift the ball out of the hole cup, non-toxic and odorless, with excellent wear resistance Kind reminder and for customers who place large orders, please contact customer service before placing an order to confirm the delivery date. The delivery date provided by customer service shall prevail