Rise of the Nakamura
A type of large club traditionally wielded by Oni. Appearance varies, but kanabou are usually solid lengths of iron, with a bandaged hilt and wicked spikes along the striking end. While functioning normally as a bludgeoning weapon, true kanabou have weak supernatural powers inspired by the brutality of the Oni. Wounds inflicted by the weapon tend to be more devastating than mundane attacks, crushing bones and tearing flesh more messily than seems logical.
The half-Oni Gouta wielded a kanabou, presumably inherited from his missing father.