This video from Patons shows one way to seam garter stitch, which is using the “top” bumps on the garter stitch ridge of each piece of knitting to seam them together. I have also heard of doing it with the top bumps on one side and the bottom bumps on the other. I think that’s the way I usually do it, but again, it’s been so long I don’t really remember.
Anyone have a preference or a way they usually seam garter stitch? I’m taking a vote!