How to use;
Simply place the ball on the circle.
Align the putter face to the yellow line behind the ball.
Ensure that eyes are directly above ball (circle should be obscured).
Take putter away from the ball ensuring putter face stays square to the ball during the first 40mm of takeaway.
Add two tee pegs at rear of guide to ensure putter stays square during initial take away.
Comes complete with protective case that fits into any golf bag for storage.