This is a Worm Edging done on a knitting loom, Also known as Pie Crust Edging. Simple and easy to do and looks great on hats, scarves, afghans and blankets.
by WatchBarbaraKnit
by RJ Knits
by STITCHLESS TV how to sew your own
by Boots and Mitts
by Uroki Vyazaniya EN
by Drawing Sketchbook
by mathmaster 1995