This is a drill to help beginner golfers who come drastically over the top. It makes you do the opposite so you can feel what it's like. That's the thing about drills and tips - what is right for you depends on your current swing vs what you are trying to achieve. You really need to understand both or you will go crazy with tips. I would be surprised if Tiger and Hank spent much time on this drill - but maybe if Tiger was struggling with a huge slice at the time . . . you never know.