kaginawa
kaginawa is a grappling hook or slashing weapon.
Overview
Type of grappling hook used as tool in feudal Japan.
In detail
It is associated with Japan.
Sources
Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.
reference work · Reputable secondary · Wikipedia
“Kaginawa”, English Wikipedia, consulted as further reading
Consult the sourcereference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q15635488: kaginawa
Consult the source