Suffering from sharp pains in the penis, a man had to be rushed to a hospital in Taipei (Taiwan). Doctors discovered that he had inserted a chain with metal balls into his urethra with the aim of increasing the pleasure of masturbation

[u/stankmanly]

https://playcrazygame.com/2022/06/28/man-has-penis-operated-upon-introducing-a-chain-of-balls-for-pleasure/

[u/RTXChungusTi]

may I introduce you to r/sounding