Learn how to crochet loop stitch, with video tutorial. crochet loop stitch can make into several projects that require loopy stitches.. Simple, affordable and easy to build boats made of plywood using the popular boat building method "stitch-and-glue". all panels of the boat are first drawn on flat. 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.