NE : TSA arrests woman who made passenger remove nipple rings . NEW : Agency says that procedures need to be changed . Agent using handheld metal detector at the airport found piercings . Woman says she heard male passenger snicker as she removed rings .
NEW : TSA backs officers who made passenger remove nipple rings . NEW : Agency acknowledges that procedures need to be changed . Agent using handheld metal detector at Lubbock airport found piercings . Woman says she heard male agents snicker as she removed rings .