At the ink challenge, contestants did biomechanical tattoos in a head-to-head competition against a fellow contestant. As the winner of the flash challenge, Darnell won the opportunity to choose ...

"That was eight years ago already," says Diaz, who now works at Knucklehead Tattoo & Piercing in Glendale. "It doesn't seem like it though." Diaz specializes in biomechanical tattoos, a form that ...