http://golftipsandlessons.com/Stack-And-Tilt/

Why Gamers Go to the Stack and Tilt

A whole lot of swing instructors educate that in the course of the backswing it is Ok for the head to shift backwards a bit, or sway, especially for the driver. Some of these teachers even advocate keeping the head behind the ball to make much more energy. The difficulty with this method is that at times a player can not completely transfer his fat to the left side at impact, and the club strikes the ball with the deal with open up. Naturally this indicates a pushed shot to the appropriate. All this is correct with the other clubs in the bag as effectively, not just the driver. So if you are a player who appears to constantly push pictures off to the right, this tactic may be really worth a attempt.