Practice anywhere:Lightweight & portable, Our golf swing training aid FOLDS TO FIT into your suitcase, or golf bag so you can WARM UP AT HOME, your hotel room or your OFFICE.It is a combination of training methods of professional players and professional coaches and modern science and technology. Suitable for indoor and outdoor golf swing practice.Practice body rotation when hitting the ball: do one-arm turn stroke practice, so that the golfer can easily find the power point to do the full swing practice, step by step, so that the golfer can clearly understand how to exert power in the swing process. Our simple-to-learn golf arm training aid is designed for both beginners & seasoned pros alike. Configurable for a range of SWING TYPES, HAND SIZES & ARM LENGTHS, this golf aid features a comfortable shoulder cushion, ERGONOMIC padded grip & stroke-adjustable angle. Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.