Wimple

A wimple was a form of headdress associated with nuns. The Tenth Doctor recalled being threatened by a cat in a nun's wimple. (TV: Fear Her)

River Song once used a psychic wimple to disguise her identity from the Eighth Doctor. According to both the Doctor and Helen Sinclair, it gave her an appearance similar to Rita Hayworth. Its effectiveness could be adjusted and targeted to affect specific people. (AUDIO: The Eighth Piece, The Doomsday Chronometer)