Vintage 1980s exercise book âJoined at the Hip Yogaâ, Two women hug cheek to cheek to both together in one leotard and footed tights outfit together at the same time. Women demonstrate partner stretching, Womenâs curves seem to overlap and merge together. Fun two-headed woman illusion. Fun illusion of one woman with two heads. "Two heads are better" "Literally joined at the hip!" See more