GolfJOC Power Lag Pro + Flat Wrist Pro Trainer
POWERLAG PRO: Trains your hands to maximize club lag for power and consistency. Provides immediate feedback when your wrist is fully cocked.  Develop a steady and powerful accelaration to impact.  PowerLagPro will help you develop proper club lag in your swing, thus maximizing the club head speed for greater distance and accuracy.  FLATWRIST PRO: Develop proper hand position before, at and post impact  The flat lead arm wrist is vital to your golf swing.  FlatWristPro will force you to maintain a flat lead wrist from the top of your swing, right through the impact zone.