Seto ware is pottery being produced around Aichi Prefecture, Seto City. The operation initial, the potters built a lot of products that mimic the Chinese porcelain. In the Muromachi period, they created many daily potterys. In the Momoyama period, the production of tea, such as yellow-Seto black-Seto Sino Oribe was characterized. Pots that have four projections on shoulder "Shijiko" were made a large number over the Muromachi era from the Kamakura period. This pot is made in neatly with a thin body and a wide mouth. Dark green and yellow of ash glaze have given depth to its appearance.