You’re here for your court-ordered castration. You just couldn’t help yourself, could you? Masturbating in public! What is wrong with you? Well, it won’t be a problem anymore. I was consulted by the courts and we came up with a suitable punishment. We’re simply going to remove the temptation! I’m going to inject you with a soothing medicine and as soon as your numb, we’ll get started.
Looks like you won’t be jerking off anywhere ever again!