These 'naked pendulum dances' are quite the feat

This is Akira 100% and he likes to play with balls, silver ones. Wearing just an oversized golden sequined bowtie, this Japanese entertainer removes that metal tray covering his junk at the perfect moments when the pendulum swings. These are genital-free videos, though they may still be NSFW.

I imagine these tricks took many many takes. https://youtu.be/0Y0y873dQcQ

(Dangerous Minds, Kraftfuttermischwerk)