1. Easy to Carry: Our golf swing training aids can be folded to fit your suitcase or golf bag. So you can , hotel room or office. Golf training equipment can help repair problems such as flat shoulder plane, reverse spine angle and excessive rotation. 2. Adjustable: The combination of professional players and coaches' training methods with modern technology. The arm length can be adjusted according to indoor and outdoor golf swing practice. 3. Essential for Beginners: Golf arm training aids are designed for beginners and experienced professionals. This golf protector can be equipped with a variety of swing types, hand size and arm length, with comfortable shoulder protection, ergonomic cushion grip and adjustable angle. 4. : When you often go to a friend's house to attend a , you can give one to your friend, which is very convenient for your entertainment. Color: Black Material: +Stainless steel + plastic Package Contents: 1*Golf Posture Corrector Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.