Vigilante in the Funky Hat: The 20,000,000 Yen Arm

Hepcat in the Funky Hat: The 20,000,000 Yen Arm is a 1961 action comedy film directed by Kinji Fukasaku and starring Sonny Chiba. It is the sequel to the original Hepcat in the Funky Hat film released in Japan one month earlier that same year also directed by Kinji Fukasaku and starring Sonny Chiba and Shiro Okamoto in the same roles.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.