After finishing the initial roast stage, a preparatory stage aimed at drying out the ware, the temperature inside the kiln is gradually raised by putting firewood through the Oguchi at the full-scale roast stage.
水分を飛ばすための予備段階である焙りを終えた後の本焙りでは大口に薪を投入し、ゆっくりと窯の温度を上げていく。