Kusari-fundo

[1] Various sizes and shapes of chain and weight were used as there was no set rule on the construction of these weapons.

The chain links could have many different shapes including round, elliptical, and egg-shaped.

Masaki Tarodayu Dannoshin Toshiyoshi (1689–1776), founder of the Masaki ryū, is said to have developed a version of the kusari-fundo[2] while serving Lord Toda, as a bloodless weapon that could be used to defend the grounds of Edo castle.

[3] In the Republic of Ireland, the kusari-fundo (manrikigusari) is classified as an illegal offensive weapon.

[5][6] In Massachusetts in the United States, carrying a manrikigusari in public is considered a felony.