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Not hidden in the knitting in the sense of the specific stitches (which is also very cool: https://www.popsci.com/story/diy/secret-code-messages-knitting/ https

Not hidden in the knitting in the sense of the specific stitches (which is also very cool: https://www.popsci.com/story/diy/secret-code-messages-knitting/ https://www.popsci.com/story/diy/secret-code-messages-knitti...) but it seems she needed the knitting needle to insert the one-time codes (on a piece of silk) into a shoelace. Amazing story.

velavar 3y ago
That was my first thought too. Different stitches such as knits and purls could serve very well as dots and dashes. Maybe that could've been too easily spotted.
- i_am_jl 3y ago
  She transmitted her messages via radio, which allowed her to skip the messy business of smuggling knitted intelligence out of occupied France. That being said, I'm 100% stealing the knitting-as-writing concept for a TTRPG campaign. It's just too cool of an idea to go to waste.
  - joycian 3y ago
    https://en.m.wikipedia.org/wiki/Quipu https://en.m.wikipedia.org/wiki/Quipu
    - i_am_jl 3y ago
      Thank you! I remember learning about this in an art history class decades ago, but I'd completely forgotten and I never would've remembered the name.