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Didn't they also crushed parts of them and snorted the powder at parties for fun?

And they made them into paint called "mummy brown." https://en.wikipedia.org/wiki/Mummy_brown

Both uses were immortalised in music by the Dave Brubeck Quartet in the mid(?) 1950s: https://www.youtube.com/watch?v=2Qs1J612nZs