GolfForever Swing Trainer – World’s First Complete Golf Training Aid – The Perfect Training Tool for The Course and Home… Price: $199.00 (as of 02/10/2022 11:36 PST- Details)

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First Complete Golf Training Aids – All in one tool that combines swing training, stretching, and fitness to create the ultimate training aid for every golfer
Standard quick-interchange weighted ball (green) for warming up; 2.5x heavier than a driver; D3 Swing Weight. Quickly and easily change the weight to precisely what you need