A ceramic katakuchi bowl made by Japanese potter Takeshi Omura. A katakuchi bowl is a traditional Japanese single-spouted bowl used for pouring liquids commonly used for whisking matcha or serving sauces. Omura's ceramics are characterized by their thin, almost metal like quality and unique coloration. Depending on the product, there may be slight individual differences in color, shape, etc. Wash by hand with warm soap and water.