The swing plane is the angle of the club shaft to the ground at address. Each golf club we use has it's own unique swing plane angle. This angle is dependent on the length of the shaft and the height of the player using the club. The Spot On Swing Plane is a simple measuring stick for the swing plane. The two vials are geared to allow the player to adjust the measuring angle for each particular club the player wants to practice with. When adjusting the vials for the lie (the swing plane angle) of the club, adjust the green vial to get the bubble between the lines and the red vial will alter the opposite an equal distance The Spot On Swing Plane is fastened to the club just below the club’s grip, making sure the green vial is lined up to the center of the shaft. The normal stance is taken and the ball addressed as normal. Then adjust the vial by moving the green vial until the bobble is in the center of the lines as in a normal spirit level.
The club is then swung until the left arm is parallel with the ground so the hands are in line with the center of the chest. If the club is swung on the correct plane the red vial bubble will be in the center of the lines. If the club is swung flat of upright the bubble will not be between the lines. “To practice the perfect swing, I use the Spot-On Swing Plane” - Justin Rose
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