Finnish inspired -- these are crocheted
Ravelry: Vaasa pattern by Danielle Kassner. This pattern combines 3-stranded Crochet Jacquard and stranded knitting on dpn’s, in the tradition of the Korsnäs sweaters of Finland.
Ravelry: Korsnas hat course pattern by Marianne Kuokkanen. This technique is a combination of knitting and crochet. It’s not only a pattern, but instructions on how you can design a Korsnäs hat yourself.