I have the friendly swede bracelet and the washer doesn't have teeth like you were talking about. the teeth are not necessary but they do make it easier.
+The Weavers of Eternity Paracord Tutorials Not to hijack the OP but I would like to see a watchband tutorial with a loop & knot closure. ☺ Thanks in advance.
Good to know! Thanks for pointing that out. I'm not an expert on these sorts of things, so I appreciate your input. I'll have to add that in the annotation.
No problem mate! Love your videos. Maybe you can buy specific rings to fit the purpose. Or other cool ideas with high carbon steel for future survival bracelets :)