This is handspun yarn
Knitted up to ~530 sts

Edge:

Set up:
CO 7 additional stitches
k6, k2tog

1. k3, yo, k2tog, (yo) twice, k2tog (8st)
2. yo, k2, p1, k2, yo, (k2tog) twice (9st)
3. k3, yo, k2tog, k4 (9st)
4. BO 2st, k3, yo, (k2tog) twice (7st)

ATTENTION: at the end of each even row, the last k2tog is done with a st from the body. every 3rd time do a k3tog. Knitting 3 out of 4 body st prevents the edge from curling!