This 2 row knitting pattern makes a very impressive scalloped knitting edge, post includes pattern and photo tutorial.
Neater decreases in knit edges
Ravelry: Folded Lace Tank pattern by Bristol Ivy aus knit wear magazine spring/summer 2014 (ibook)
Patterns for knitting
Knitted Centre-Outwards Spiral pattern by Elizabeth Jarvis. With this sort of ombre wool, this looks very cool.