Backstitch symbolizes a sewing technique which involves making small up and down stitches with the purpose of securely fasten two fabric pieces together. This method provides resilience and avoids the material from fraying. The overcast may be used for a variety of sewing projects, like sewing the hem, sewing patches, or even making blankets. It offers a clean and expert look for the final piece.

How to Whipstitch with Pictures wikiHow