Currently free to watch on Amazon Prime.
Happened across this last night and was pleasantly surprised - it's a really well made film, with some excellent subjects, a bit of history and lots and lots of tiny crimps. Thoroughly recommended!
If it's this one, no need for Prime, it's free on YouTube:
https://youtu.be/knxL3pPf1Gs?si=as_ThPe5AK-oirWv
Excellent - yes that's the one!
