Maybe you could pick up stitches along the CO edge, and BO those stitches as you go? That way you'll have a BO edge on that side as well.
I'm not sure what it will look like, but I imagine it will look fine. You could try it anyway....
KnittingHelp Queen Bee
It is not because things are so difficult that we do not dare; it is because we do not dare that they are difficult.