Raku Kilns "they go up and down"

Kilns from Olympic and Laguna Clay

Raku firing is different because you fire the object in a gas kiln and watch the glaze melt, when the glaze looks right (shiny) you open up the kiln and grab your pot with raku tongs, then into a metal container of combustible materials. This, secondary reduction colors the exposed clay body black. And reduces the copper to a metallic lustre.