That’s really interesting, thanks for sharing that 
Greg Norman, and I don’t have access to it anymore, said he mentally tipped the horizontal access of the ball to mentally expose the bottom of the ball for some shots.
For clarity, from a rat’s eye close to the ground view the ball’s equator line, if we drew one, would be straight across, and on top of, or at the very least parallel to, the horizon, but looking down upon the ball from address if that drawn line was mentally rotated 1/4 turn upward toward us the line, to our sight, would now look curved and the ball would look like a crescent moon. So mentally we exposed the portion of the ball we normally can’t see. So maybe when some say we can’t hit the bottom of the ball maybe we can. Heavy music.
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I think many amateurs are incredibly right eye dominant. With slower reaction times than your athletes or athletic individuals. It’s was just never built in their DNA.The improvements will be very minimal for them.No matter what area of the ball they focus on