Insight from Morgan Malone on Backswing.com:
The longest players in the world tend to swing from the inside, approaching the ball from a shallow angle of attack. This requires the Clubface to be in a strong position. Getting the shaft to lean forward at impact in combination with a shallow path and a strong face are the best way is to […]
90% of golfers struggle to get enough left side bend. At the top of the backswing we want the left shoulder much closer to the ground than the right shoulder. Up to 45° of left side bend is ideal for a short iron.