Ball Alignment Tool
Line-M-Up snaps onto your ball and self-centers for straight and accurate markings. New alignment options allow you to mark your ball over 6 different ways! Underside ridge prevents smearing of line markings. Concave marker slot allows easy marker tip access. Supplied with a matching Sharpie Mini (ball not included).
Used as a playing or training aid by giving you a visual guide to help line up all your shots. Conforms to USGA rules and is legal to use in competition.