Knit Stargazer Scarf
Stargazer Yarn by Estelle Yarns is a like a ruffle yarn where part of the strand is a section that is not to be knit that hangs loose. There is mesh-like structure to the strand where you use that section to knit with.
There are yarns similar to this structure where you knit the same way. This is acts as a great foundation tutorial for using these type of yarns.