not only something to make 'em look prettier but, well, a sort of sign or token of their self-respect - gender
mouthpiece - stereotypical view of women - tells Gerald clothes have deep meaning for girls - collectivises women, not see them as people - epitomise male gaze, suggest women's purpose is to look 'prettier' - colloquial abbreviation 'em' and phrase 'sort of' show how he didn't take women seriously - speaks about them in offhand and not respectful manner - ironic - Sheilas confrontation with Eva is about clothes - audience question if sheila took dads patriarchal, misogynistic views