“Use it up, wear it out, make it do, or do without” became a consumer mantra. Plastic buttons replaced brass; zinc pennies supplanted copper. To save fifty million tons of wool annually, the government outlawed vests, cuffs, patch pockets, and wide lapels; hemlines rose, pleated skirts vanished, and an edict requiring a 10 percent reduction in the cloth used for women’s bathing suits led to the bikini.