A slip, usually with colorants added, that is halfway between a clay and a glaze. It is usually brushed over the surface of a pot to harden the surface, change the texture, or alter the color of the clay. It can be fired as is or glazed.
liquid clay slips that are applied to the surface of either wet clay, leather-hard clay, greenware or bisque ware. Its purpose is varied; it can be added to change the colour or texture of a piece or to prepare it for additional decoration.