Tattoos are created by injecting ink through into the skin. Tattoo artists accomplish this by using an electric powered tattoo gun that almost sounds like the drill a dentist uses. The tattoo gun has a needle that moves up and down,
“We live and breathe words. It was books that made me feel that perhaps I wasn't completely alone. They cold be honest with me, and I with them." Will Herondale, The Infernal Devices by Cassandra Clare.