Liquid chalk can be used to write on glass, metal, chalkboards and mirrors, among other surfaces. Use it on cars for parades or weddings, advertising in store windows or writing a restaurant menu. If you need to remove the liquid chalk, you will only need a few supplies. You can easily remove all of the liquid chalk from the surface without leaving behind streaks.
Dampen one of the cloths.
Wipe the surface with the liquid chalk.
Use a clean, dry cloth to wipe the surface again.
Rinse the damp cloth and wring dry. If there are any streaks on the board, then use the damp cloth to wipe it again.
Dry the surface with the dry cloth.