http://www.theweeklystitch.com/2014/08/lace-leaf-edging.html


Cast on 12 stitches
Row 1: (RS) yo, k1, yo, k2, (k2tog) twice, k2, yo, k2tog, k1
Row 2 and all WS Rows: purl
Row 3: yo, k3, yo, k1, (k2tog) twice, k1, yo, k2tog, k1
Row 5: yo, k5, yo, (k2tog) twice, yo, k2tog, k1
Row 7: yo, k3, k2tog, k2, yo, k2tog, yo, k2tog, k1
Don't forget Row 8 - purl!
Repeat these 8 rows for the pattern until edging is as long as desired.