Short swords and uchine were somewhat costly and unsuitable for repeated use, uchiya were too bulky to bring along, and needles were inexpensive but lacked force.
使い捨ての武器としては短刀や打根はやや高価で連続使用に難があり、打矢は携帯するにはかさばり、針は安価だが威力に乏しい。