Chen Mazi and his wife were both dumbfounded.
Wu Xia had only seen this sort of thing in Japanese action films; this was his first time witnessing it in person.
It was an extremely perverted technique designed to prevent one's woman from being defiled by others.
Even if you took off her clothes, you could only look; you couldn't possess her.
Such kinks usually came as a set.
Wu Xia immediately removed Chen Juan's pants, and sure enough, her underwear was exactly the same.
Especially at the place of her small opening, there was a hole, allowing one to see the tender pink flesh inside, but protruding in front were sharp spikes.
"What kind of person would use such a sick method?"
Wu Xia's face twitched violently.
Chen Mazi and his wife, both being simple folk, asked with puzzled expressions, "Doctor Wu, what is this thing?"