Nicklaus and Twitty did it even better

Most good putters have eyes over the ball (or a little inside). Nicklaus and Twitty did it even better; they positioned the head so that the neck and back of the head were parallel to the ground. Their eyes were not only over the ball,but also at 90 degrees to the ground. This sights in the line even better. No coincidence they were not good putters; they were great putters.