I've got plenty.” Isabelle smiled, kicking her feet up so that her anklets jingled like Christmas bells. "These, for instance. The left one is gold, which is poisonous to demons, and the right one is blessed iron, in case I run across any unfriendly vampires or even faeries, faeries hate iron. They both have strength runes carved into them, so I can pack a hell of a kick. "
"Demon hunting and fashion," Clary said. "I never would have thought they went together.

Author: Cassandra Clare