A lot of these basic stitches are also used for seaming techniques. However, not all seaming stitches used in crochet are actually crocheted. For instance, the mattress stitch is a way often used to stitch two crocheted pieces together. However, the mattress stitch is, in fact, a sewing technique. You’ll want to keep this crochet stitch guide handy for the next time you are looking for a stitch to use in your next crochet pattern or crochet project.