Used on the International Pro Circuit by some of the world's greatest golfers. It's known as the "World's Most Accurate Putter". Over Three Million Won in Tour Money using the patented Eye Cue 20-20 putter! Developed by the eye and sports specialist, Dr. Howard Bailey, long recognized by golfers as a premier instructor and trainer in putting and Olympic sports.eye cue putter. Just align your eyes, shoulders, your palm and your aim. Anyone can putt like a pro if they can line up the putt and make a stroke that is true to their eye line. The Eye Cue can make that happen. With the Eye Cue 20-20 Putter, the result is a lower score each round with no yips or fear of missing. The Eye Cue 20-20 Brass Putter is a confidence builder for anyone wanting to improve their putting - including you! Available Right-handed only.