What Is a Blanket Stitch How To Blanket Stitch TutorialWhipstitch represents a needlework technique which involves creating small in and out stitches to firmly fasten two material pieces together. This method adds resilience and avoids the fabric from fraying. The join together may be used for a selection of stitching projects, like sewing the hem, stitching patches, or even creating blankets. It gives a tidy and professional look to the completed product.