Line up a superb shot with the Master Align M Up ball system. Simply draw a firm black line thorugh the ball shape stencil with the included marker pen. Then aim the line at the hole and use it to accurately guage the direction of your shot. In no time your me sinking more putts and nailing more fairways than ever before. And dont let other players take your ball, use the different shape stencil cut outs to make your own personal mark. A 2 in 1 tool that keeps hold of your balls and helps you hit to perfection.