Feature:1. Place the hinge in the correct position on the golf club and hold it in place, then rest the bottom against the arm. Maintain correct posture.2. By correcting the backswing, it will take less force to send the ball further out.3. Designed to create the correct swing position and set the correct position on the top of the back swing.4. Simple and effective golf training tool. Compact and light, easy to use.5. It can effectively reduce the wrist movement errors and wrist angle errors when swing.6. Suitable for use on the driving range. You can also use it when you play golf.Specification:Condition: 100% Brand NewItem Type: Golf Training AidsMaterial: PlasticColor: Yellow Weight:Approx.66g/2.3oz.Package List:2 x Golf Training AidsNote:1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.