NOUSAKU is a casting manufacturer in Japan inheriting the traditional technology of Toyama in Japan. NOUSAKU is making crafts made from tin.Instruments made of tin does not rust so much. Sake set made of tin remove unpleasant taste of sake.So when you drink sake using this, sake tastes so delicious. From long ago in Japan,sake set made of tin has been used as instruments for God and Budda. People who would like to drink sake more delicious, please use this.