although, i would imagine at some length, it becomes a "sword" (even if marketed as a knife) and falls under some other "nanny"-ing. i have not googled that.
So, having been given the proverbial inch (or centimeter), those obsessed with banning potentially-dangerous tools are trying to take the next mile (or kilometer): https://theconversation.com/why-stopping-knife-crime-needs-t...