K2tog (or Purl 2 together) then YO for an eyelet selvage when working with garter stitch, every row is K2tog, YO. with stocking knit, alternate P2tog, YO on wrong side rows.
by Epicurious
by
by ThePatternfamily
by colorsoflily
by Hand-i-Craft
by Ellunhuopa
by Simply in stitches