Itsuo Doi-san is one of the most recognized blacksmith names from Sakai. He is a traditional craftsman who has been recognized by the government of Japan for his contributions to his craft. His father Keijiro Doi passed along his technique for forging at colder temperatures, which results in strong edges and easy to sharpen steel. Doi-san is also well known for his expert treatment of ao-niko (blue#2 steel), garnering respect from the finest chefs in Japan.
