The "Claw" Grip
In the traditional or conventional set-up the hands are together with the fingers of both the dominant and non-dominant hands underneath the grip and the thumbs on top. With the "claw", the hands are separated with the thumb and fingers of the non-dominant hand in the conventional position and the fingers of the dominant hand on the top side of the grip. The thumb of the dominant hand is positioned underneath the grip and out of sight.
Whether claw, conventional or split-grip, consistently successful putting demands a stroke that is always square, moving the putter head straight back and straight through the ball... only the MACRO® grip is designed to make this stroke happen time after time.