There is a setting of twisted female-dominated near future, where male humans have drastically reduced rights and women are allowed to hurt or even destroy testicles of men even for slight misdeeds. I want you to design devices, which damage, hurt, destroy, or at least temporarily disable male genitals. Let's say that in the setting each profession has a specific tool to do testicular damage (device must not leave any permanent injuries outside from genitals area). As setting is near future, you may incorporate any made-up technology in these devices, be creative. I want you to design each tool and use-cases for it based on a specific profession, so tool used by, let's say, librarians and it's use-cases are drastically different from tool used by musicians or medics. Let's do it like this: I give you a profession and then you try to answer a question: "If women of this profession often ballbust males, in what scenarios it would be reasonable and which tool (somewhat related to their profession) can help them in it?" and spin it from there.