koushang
A koushang is an amulet that blocks chi from being sucked from a person. In the tv show Lost Girl, once a person has the koushang in hand, the succubus can not suck the person's chi.
Koushang is an amulet.It binds chi to your body.It's like kryptonite to us succubi. I can't influence him.-----said by Bo's mother.