BURNISHING - To rub and polish dry clay until it has a smooth surface.
Burnishing is to rub the surface of leather-hard clay with a smooth tool to produce a smooth, polished surface. The finer the texture of the clay the more polished the surface can be. The color will depend on the color of the clay. For burnishing, any curved tools can be used such as teaspoons, stone, etc., and the work can then be decorated with slip.