Golf Shop: EYELINE Putting Plane System

"Putt with confidence from now on. The Eyeline Putting Alignment System focuses on the importance of the swing path. It helps align your eyes, shoulders, clubface and path for that perfect putt. For use indoors and outdoors, it comes with adjustable and removable aluminum rails and a laminated mirror and the whole system fits in your golf bag. Putt with precision with Eyeline."