The Oslo Stitch in #nalbinding:
I think this is the easiest tutorial:

https://www.youtube.com/watch?v=Y-LwR2DZ1YM&t=5s

But the best overall tutor is #Neulakintaat, who has done all her tutorials in English and Finnish!

https://www.youtube.com/watch?v=EcuUqeKQZ5Q&t=742s

She has done a lot of research into #needlebinding and how people from different regions have done this ancient handwork.

http://www.en.neulakintaat.fi/73

Nalbinding is an ancient art, from before crochet or knitting,using 1 needle, making loops, which cannot easily be untangled.