Everyone has been posting pictures that show Federer following the ball to the contact point with his head. I also noticed JHH does this as well, so I decided to see what the hype is all about and try it myself. I have to say it does something different, I can't explain what actually happens, because I haven't videotaped myself doing it, but I can describe how it felt. It reminds me a lot of the move in golf where the player keeps his head focused on the strike long after the ball has left. I have heard this described as staying down, and it is supposed to improve extension down the line of the shot. When applied to my forehand it felt like the racquet was on line slightly longer, and a feeling of a natural release of the racquet occured smoother and more consistent. It doesn't allow me to see the ball much different, and it shouldn't, because the eyes should track the ball regardless of head movement, but the head working in the opposite direction as the hitting arm comes through seems to have a physiological effect on contact. Actually, I cannot even remember mis-hitting a single ball when applying that technique, and I always mis-hit a few. Has anyone else tried to duplicate the move? What were your results? I definitely think this move has some significance, and maybe we can figure it out together. My current guess is that it helps release some tension in the hitting arm.