Momentus Golf Power Plane Swing System The Power Plane Swing System is designed to give you a fundamentally sound golf fitness workout in the convenience of your own home in just minutes a day. The use of resistance bands in fitness training is proven to be effective in strengthening the muscles and building flexibility for movement. The Power Plane Swing System is a one of a kind golf fitness product that blends the proven effectiveness of resistance band training with swinging a golf club. Simply attach the Door Mount Bracket to any door, clip in the resistance band to the bracket and to the butt end of the Power Plane Driver and start your workout. It's simple, easy, and effective. Includes instructional DVD.