All forms are hand thrown on a pottery wheel. Forms may then be altered while wet, shaved, and/or sanded into their final shape. The surface coloration, as well as some of the textures, come not from glazing but instead from a technique called Saggar Firing.
Potters working before the availability of gas burning or electric kilns had to deal with ash and other debris which would settle on their pots and affect the quality of their glaze work. In order to protect their glazes and produce pure colors and unblemished surfaces, they would place their pots into containers called Saggars which would then go into the kiln.
Modern kiln technology has eliminated the technical need for Saggars and potters have creatively inverted the relationship. Now, pottery is placed in these containers along side various materials which will burn up at kiln temperatures and become absorbed by the clay body.
The exact results of this technique are impossible to predict or control, only estimated. The opening of a kiln is always a revelation to all potters but it is especially exciting and surprising to open up a Sagger!