How to Whipstitch with Pictures wikiHowBackstitch represents a stitching technique that involves creating small in-out stitches in order to securely fasten
two fabric pieces together. This technique gives strength and prevents the material from coming apart. The overcast may be used for a range of stitching projects, including finishing the edge, sewing patches, or even creating blankets. It gives a neat and professional look for the finished product.