https://www.daegradtools.com/japanese-edo-period-ninja-4-prong-folding-tekagi-daegrad-yutani-6781-p.asp
Japanese Edo period Ninja 4 prong folding tekagi Daegrad-Yutani
a hand forged water quenched S275JR steel 4 pronged loose arm kaginawa ninja climbing hook of the Japanese edo period 4 foldable arms for a variety
edo periodjapaneseninjaprongfolding