Learn how to crochet loop stitch, with video tutorial. crochet loop stitch can make into several projects that require loopy stitches.. Sewing & fabric. choosing a sewing machine. it’s good to know how to use a needle and thread to hand-stitch something, but if you’re interested in taking up. You can calculate your floss usage by working a one inch square area in the desired stitch (cross-stitch, etc.) before stitching, measure the length of your floss.