The clay I use is white, red or black low-firing earthenware.
Burnishing
Many ancient peoples used burnishing to make their pottery harder and more waterproof before they discovered the use of glazes.
Sgraffitoing
Sgraffitoing refers to the process of creating a design in ware by gently scratching through applied color to reveal the color or the clay body beneath it or to create carved designs.
Firing
When the piece has dried completely - which may take several days - it is fired in the kiln.
Glaze firing
Ceramic glazes generally contain silica to form glass, in combination with a mixture of metal oxides.
Raku is a traditional Japanese (and Korean) technique of glaze firing.
Smoke can add decorative effects to unglazed earthenware.