Garter Stitch Seam
Hold the two pieces parallel with the right sides of the fabric facing you and caston edge at the bottom. Insert the tapestry needle under the top loop of the edge stitch on the left piece and then under the corresponding bottom loop of the edge stitch of the second piece and pull the yarn through. Return to the first piece and insert the needle unter the top loop of the edge stitch on the next row. Continue working in this manor until seam is complete, pulling seam close every inch or so. Weave in tail.