Check out the awesome "Bastard Samurai" from the awesome new album "Snakes For The Divine" by High On Fire, it mentions yakuza thumbs and I think that's cool. This is also one of the best air-drumming albums I've heard in ages:
High On Fire "Bastard Samurai", New Orleans from Wes Williams on Vimeo.
High On Fire "Bastard Samurai", New Orleans from Wes Williams on Vimeo.