SALTED Smart Insole with Motion Sensor - Golf Swing Posture Analysis Trainer - Track Weight Shift for Improves DistanceSALTED Smart Insole with Motion Sensor Golf Swing Posture Analysis Trainer Track Weight Shift for Improves Distance SALTED SMART INSOLES: It is a personalized smart golf coaching solution that will improve your driving distance. It analyzes weight shift during a swing and explains the optimal personal swing balance. HOW IT WORKS: This wearable device is easy to trim for fit and slides into any pair of sneakers or golf shoes. The Insole pairs easily