1940's advice: "To cure boys of the habit of not keeping shirttails tucked in, sew an edging of lace around the bottom of the lad's shirt. There'll be no more shirttails showing." (Via Kitsch-Slapped )
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.