What's stopping women from achieving their full potential?
At a famous protest in the US back in 1968, feminists placed items in a bin that they felt oppressed them.
Fifty years on, we're doing the same again and asking women around the world about the objects they feel stop them from living their lives the way they want.
The demonstration at the Miss America beauty pageant in New Jersey sparked off the iconic - and mythical - image of the "bra-burning feminist".
A group of women hurled mops, lipsticks and high heels into a Freedom Trash Can.
The idea was to symbolically throw away things that oppressed women, says Robin Morgan, one of the organisers. Passers-by were invited to join in.
"Some feminist historians mark [it] as the real beginning of the current wave of feminism," says Ms Morgan, who is on this year's BBC 100 Women list.
"[But] while flattering and quite lovely to hear, [it] is not true. There were already groups like the National Organisation for Women in existence."
What stuck in the public consciousness about the protest was the image of the "bra-burning feminist" - something that paradoxically never actually happened.
Some women did throw underwear, including bras, into the Freedom Trash Can.
"They never burned them," says Ms Morgan.
The items in the 100 Women Freedom Trash Can come from members of the audience, as well as from some of the people featured on this year's 100 Women list.
Some of the items, such as the bra, acknowledge the original 1968 protest.
But we are still looking for suggestions - you can add yours below.
Religious clothing, gendered baby clothes and wage slips - representing the gender pay gap - have been popular additions.
Some people were opposed to the idea of the Freedom Trash Can in the first place and others disagreed with feminism as a whole.
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What is 100 Women?
BBC 100 Women names 100 influential and inspirational women around the world every year and shares their stories.
It's been a momentous year for women's rights around the globe, so in 2018 BBC 100 Women will reflect the trailblazing women who are using passion, indignation and anger to spark real change in the world around them.