After I've worked across the cast-on or bound-off edge of my swatch, in order to turn a corner so that the corner doesn't buckle, I use a series of little short rows to make the corner neat and pointed, not unlike one side of a short-row sock heel.
by CraftGyver
by GoodKnitKisses
by LiLu's Handmade Corner
by My Favorite Things
by New Stitch a Day: Knitting and
by Mixed Up Craft