well, technically it works the same: the strands between the stitches. But you know: just sew it up. It will not look as neat anyways to connect purl to purl side by side.
The other option is to take thin thread and seam with that between the stitches / within the yarn. That turns less visible if you find the right color machine sewing thread.
Continental Knitter with passion, pretty busy and always onto something new.
I have been away from the forum for a bit, but I am still around!