Can someone explain this ad? What was bra burning in the 70s? : r/1970s

Patton (1970) - IMDb

Teenform Preview First Bra Blonde Girl on Phone Preteen 1970

I Dreamed I Was A.Maidenform Bra ad collection, circa 1949-1970

The Bra Burners, by Art Buchwald, Sept. 12, 1968 / Women's

12,052 Bra Burning Stock Videos, Footage, & 4K Video Clips - Getty

Bra-Burning - LA Progressive

The Myth of the Bra Burning Feminists of the Sixties

Groovy History

Did “bra burning” ever really happen!?

Fashion, Freedom and Feminism: How technology saved us from

100 Women: The truth behind the 'bra-burning' feminists - BBC News

The Myth of the Burning Bra: The Act of Feminist Extremism That

The 'Bra Burning' Miss America Protest - A Brief History of

The Myth of the Burning Bra: The Act of Feminist Extremism That