Hinokuni san is a 31-year-old blacksmith from Kumamoto prefecture who recently became independent after apprenticing for Nishida san. The steel he uses is Shirogami #1

• Do not attempt to cut, hit or chop frozen products or bones. The blade can chip or break with improper use.
• Hand wash with warm water and towel dry. Never put the knife in a dishwasher, nor soak it in water. Ever!
• Use a sharpening stone to maintain the sharpness of the blade. 
• Do not use on hard melons or items that may torque the blade