Suribachi (すり鉢 or, literally: grinding-bowl) and surikogi (すりこぎ or 擂粉木, literally: grind-powder-wood) are a Japanese mortar and pestle. These mortars are used to crush different ingredients for Japanese cooking as for example sesame seeds. The suribachi's a pottery bowl, glazed on the outside and with a rough pattern called kushi-no-me on the unglazed inside. This surface's somewhat similar to the surface of the orosh… (More on Surikogi)