The Odyssey Golf Putt Genie provides instant visual feedback to help you improve your putting skills. This short game training aid helps to promote a more square face at point of impact, and features two different sized covers to increase the level of difficulty. This device gives instant visual feedback, an open face pushes the Putt Genie towards the right, and a closed face path pushes the Putt Genie towards the left, this feedback can help you get back onto the correct stroke path.