This allowed him to hit as hard as he wanted without the fear of a hook. Hogan's grip evolved to a weaker position. In other words, his left thumb pointed straight down the shaft and the back of the left wrist faced the target more. Also, Hogan supinated his left wrist near impact like few have done before or since. At impact, his left wrist bowed toward the target.
Most golfers slice the ball.
Hogan worked hard on a few fundamentals. He dug it out of the ground, and set the precedent for practice, preparation, and course management. No one has yet to surpass Hogan's precision and control of the golf ball. The Modern Fundamentals of Golf. Hogan imagined a line running from the ball to the top of his shoulders and upwards.