Medicus has the answer to immediately lower your score, with the Medicus Dual-Handle™ Putting Trainer. The Dual-Handle™ Putting Trainer temporarily attaches to your own personal putter to train and improve your putting stroke! It's a Dual-Handled Putter Trainer, which trains the movement of your shoulders, so that your putter only moves back and forth, without the slightest bit of sideways motion! Learn to putt perfectly straight... to kee the ball on line every time... and you're guaranteed to dramatically lower your scores.