Bonus Yards Golf Training Aid
The Maxsa Innovations 60030 Bonus Yardsandtrade Portable Golf Training Aid helps golfers improve their swing. Studies show that the ideal driver shaft angle at impact is 45 degrees. Attach the device to your driver, and Bonus Yards will help you achieve the proper club angle for longer, straighter drives. The Bonus Yards may also be used to help read the slope of the greens.