A crochet seam is worked with a fine crochet hook on the wrong side of the project (sometimes on the right side for design effect especially if worked in a contrasting color) with either a single crochet or a slip stitch, working together through the thickness of the stitches on each side of each of the edges to be joined.
A simple single crochet edging may be worked all around a flat project of crochet for a neat finish. Further rows or rounds of single crochet or other stitches may be added as desired.
Running tails: Use a tapestry needle to run in any remaining yarn tails on the wrong side of the work, where they will not show. You may run the needle in and out, either along a seam, or through the backs of the crochet stitches for at least 2”. Break off.
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