Description
Scuffer side of the tool is to simply roughen up the surface of the tip so chalk will adhere to the tip. Tapper is used to Contour the tip to the desired e curvature you are comfortable with. You lightly Scrape the tip using a rotating motion. Aerator feature is to slightly break up the surface of the tip when it is new or it has been compressed after being used for a while so it will hold chalk.