The Hinge Trainer is designed to help set the correct hinge position at the top of your backswing. The training aid is made to help promote setting the wrist early for proper clubface alignment and consistent on-plane swings for improved game on the course. The innovative swing lock mechanism was built for easy setup, adjustments, and club changes. FEATURES Promotes setting the wrist early for proper clubface alignment and consistent on-plane swings Innovative swing lock mechanism for easy setup, adjustments, and club changes Rubber grip provides comfort during range sessions and helps grab arm securely for immediate feedback and consistency Works for both right and left-handed golfers