Masamoto Shiro-ko Hongasumi Hamokiri 11.7" (30cm) - Right - Hamokiri knives are used for slicing shallow cuts and pieces of hamo fish (pike conger) fillet. In order to serve hamo fish, it is important to make shallow cuts into the fillet to crush the small bones. The reason why hamokiri knives are so large, is because of the way the fish is prepa..