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. There are many technical terms used in the carpet industry. this glossary of carpet terms can help you navigate the jargon and learn more about the product choices.. What is supermend? supermend is the original fabric/textile bonding powder and invisible mending repair kit – as seen on tv in many countries..