On another note in practical terms for a golfer engineering his address. When the ball is teed higher than the sweetspot on the club - which can be desirable, the adjustment is made in the secondary hinge which lifts the primary lever assembly up and down whist staying in the vertical plane of the primary hinge in a circular motion around the left shoulder, so in effect you tee it slightly off the toe of the club by means of adjusting the secondary hinge...
Threaded Mode
