In recent "The 3-Step Process to Get Rid of Your Over the Top Golf Swing FOREVER", Tom refers to a "One arm drill". I could not find it in the sections he mentions.
@rajan_monga - Here is the Simplest Golf Swing Ever Class that I referenced, and the Backswing chapter (Part III) towards the bottom that class includes a couple of trail arm drills.
@rajan_monga - Here is the Simplest Golf Swing Ever Class that I referenced, and the Backswing chapter (Part III) towards the bottom that class includes a couple of trail arm drills.