They had a 3rd ESP moment. Even identical twins don’t have identical feet.
Everybody in this world is completely unique. A PERFECT FIT tailored as unique as the person. Although they could share dresses, Jessica’s left foot was a size 6.5 slight wide and her right a 6 with between average and wide width. Emily’s left foot was 7 slightly wide and her right was 6.5 average width. Say what??