Moro type: Vertical stone knife which edge and the base of the opposite side is blunted; distributed mainly in Kanto region, the southern part of Chubu region and Tokai region
茂呂（もろ）型－一縦型石刃の側縁と反対側基部への刃潰し加工－主に関東、中部地方南部、東海に分布