A lot goes into even the simplest of "I love Mom" tattoos. Read on to find out how a tattoo machine works, how the ink is injected into the skin and what is in tattoo ink. And before you plan out your own tattoo, find out the most painful places on the body to get tattoos.
Sources: statisticbrain.com, historyoftattoos.net, popsci.com, webmd.com, protattooguide.com, customtattoodesign.ca
