Lauren McGuire sent along a BoingBoing link to this page from a booklet called Hint Hunt (1940s).  It advises mothers to “inspire” their sons to tuck in their shirts by sewing (hideously embarrassing) lace along the bottom:

Lisa Wade, PhD is a professor at Occidental College. She is the author of American Hookup, a book about college sexual culture, and a textbook about gender. You can follow her on Twitter, Facebook, and Instagram.