a lightweight slanted sketching and drawing board with an angled surface that provides stability for drawing tools while reducing neck strain for artists
a metal or plastic ring or cap that fits around the end of a rod or tube to provide reinforcement, protection or to allow it to be attached to a handle
a round metal part that rotates in one direction and locks in the opposite direction, used on art tools such as paintbrush handles or adjustable clamps
a coated board that artists cover with white pigment and then scrape lines into using a pointed tool, revealing the contrasting black surface underneath to create high-contrast linear artwork