The ritual of cutting off a finger joint (usually the pinky) as an apology for a mistake.
The Yakuza are transnational crime syndicates originating in Japan, known for their strict codes of conduct and ritualistic practices. yakuzza
The three largest groups as of 2025 are the Yamaguchi-gumi (the largest), Sumiyoshi-kai , and Inagawa-kai . The ritual of cutting off a finger joint