What Is a Blanket Stitch How To Blanket Stitch TutorialJoin together is a sewing technique which involves making small up and down stitches to securely join two fabric pieces together. This approach gives resilience and prevents the fabric from coming apart. The backstitch can be used for a selection of sewing projects, like finishing the edge, stitching patches, or even creating quilts. It provides a tidy and expert look for the finished product.