WASHINGTON — Most people who visit Vinnie Myers at his Finksburg, Maryland, tattoo shop aren’t there to get a black-and-white skull or a colorful full sleeve. Myers’ clients come to him for nipples.

Myers started tattooing nipples 13 years ago, when he teamed up with a Baltimore-based doctor to help the doctor fix nipples he’d given his reconstructive breast patients.

“The results were less than what he felt was adequate