Tin Cup Golf Ball Marker - Razors Edge The Tin Cup system enables you to "Make Your Mark" with a personalized ball marker. The Tin Cup Personal Imprinting System is a revolutionary new technique for golfers to mark/imprint their golf ball. Tin Cup Instructions * Use a permanent ink fine point or ultra fine point pen * Place a golf ball under the Tin Cup * Trace or color the logo with the pen (color of your choice) * Let the area dry a few minutes before use ** For best results use an Ultra Fine Permanent Ink Pen.