Start sinking more birdies and eagles with the EyeLine Golf® Putting Alignment Mirror. The leading cause of missed putts is a misaligned setup, and now you can check your putter face and shoulder alignment easily and efficiently. Complete with putter gate slots, you can ensure you make contact with the ball in the sweet spot for the best putt. Design Lines to measure alignment of your putt Putter gate slots to ensure contact with correct spot of putter face Designed to work for both right-handed and left-handed golfers