Lefties only golf tips: I think if there is one club that golfer shank more than any other club in their bag, is generally the wedges. When they get down to their wedges, and they are just trying to hit those little fine shots around the side of the green, a little 20, 30 yard is more golfers are prone to the shank there than any other part of the game.
Left Handed Golf Tip: Use Release To Solve Golf Wedge Heel Impact Problems (Video)