Slabs can be draped over or into forms, rolled around cylinders or built-up into geometric forms. Large forms are difficult because of stresses on the seams and because the slab naturally sags. Some potters get around this by working fibers into the clay body. The fibers burn out during the firing, leaving a network of tiny holes. A fine, liquid form of clay applied to the surface of a vessel prior to firing.
Slip fills in pores and gives uniform color.
A high-fire clay. A brownish-orange earthenware clay body commonly used for ceramic sculpture. The term throw comes from Old English meaning spin. A piece of clay is placed on a potter's wheel head which spins. The clay is shaped by compression while it is in motion.