HAT CLIP PENCIL HOLDER TOOLS that can hold golf or carpenter pencils, Sharpie markers and more! 3 PACK BLACK Holds most shapes and size pen or pencils. Round or Square. Attaches to either side of a hat, cap or visor with our unique gripping teeth features Self adjusting hinge design Elimates the aggrevation of losing or misplacing pen or pencils Handy for tradesman, golfer, construction, trucker or any hat wearer