In this tutorial, we learn how to clean your skateboard grip tape. To do this, you will need: window cleaner, an old toothbrush, and paper towels. After this, you will spray the area with the window cleaner and then scrub it with the toothbrush. Scrub it until it comes up clean and there is no dirt left on the surface. From here, you will need to use the paper towels to clean the residue off of your board. Make sure to dry it off completely so you don't waterlog your board. do this to all the grip tape then you can ride it as normal!