[If they existed in her world, China would find a way to know about them. Probably.]

[China's own solution for the looking defenseless goal is, unfortunately, a one-woman solution.]

It would, unless the wearer means to be stabbing everything they stumble over.

Tapping it against a hard surface would solve part of that problem, though conceivably dull the blade tip. And it would need to stay retracted. [She tips her head a little, in genuine thought rather than active allure.] Still, the mechanism ought to be relatively simple.