Samura Harakiri saw knife for frozen food and bread. This is a two-sided knife with serrated sharpening: for cutting frozen food and bones on one side and bread on the other side. It’s a seamless kitchen knife with a thin blade of high-tech stainless steel AUS-8 (Aishi Steel Works). It’s sharpened manually on whetstones. It’s a comfortable and lightweight knife with double-sided sharpening, the optimal balance of form and quality, and "fits like a glove".