1979 plus size partner yoga book, Two pretty women with mom bodies both fit together cheek to cheek in one stretchy leotard and footed tights outfit together at the same time. Women's curves seem to overlap and merge together into one pear shaped torso. Fun two-headed woman illusion. Fun illusion of one woman with two heads. Women sit together on exercise mat as one. âIn extreme partner yoga classes, instructors Mandy and April are literally joined at the hip!" See more