Have you ever heard of it/know what it is?
My mum said to me the other day, 'I don't know what I've done with the broderie anglaise, I can't find it anywhere'. When I asked her what she was talking about she looked at me like a I had 2 heads and can't believe I don't know what it is (I do now thanks to Google).
I'm 37 and have never heard of it in my life! Am I the only one?