This will remove the white marks made by something rubbing on legs, sides or corners of furniture.
1 part non-gel toothpaste
1 part baking soda
Mix together and put mixture on a slightly damp cloth. Rub over the marks with the cloth, using moderate pressure. It may take up to 15 minutes to completely remove the marks. Wipe the residue off with a dry cloth and buff with a soft cotton cloth.