Instead of putting the fronts of your pieces together, lay them side by side just like those teddy bear seams.
You'll notice that it's easy to make uniform stitches by picking up your knit stitches right under the cast offs.
Sew to the end and pull, beautiful.
Let me quickly demonstrate what you don't want to do. I'm using an easy overhand stitch.
the front, yuck.Here's the sweater waiting on sleeves. Unless something comes up we'll do them tomorrow.
This stitch will be fine for the side seams so don't count it out. We're just talking about those seams that were bound off.