Using this. ( Clary holds up a small item that doesn't look too different from a wand, though it's white in color. It's crafted from a material called adamas, which is a heavenly metal manipulated into weapons only by a holy faction known as the Iron Sisters. ) It's called a Stele. It can be used on other materials, but as far as living creatures go... It only works on Shadowhunters. At least, safely. ( She shudders at the thought of what it does to normal humans; to mundanes. ) The designs themselves were given names and meanings by the Angel that created my race. And -- ... By me. I've created some myself.