A line of overcast stitches is sewn over the raw edge of the seam allowance.
Suitable For
Most fabrics
Advantages
Produces a neat, clean finish that’s fray resistant. Adds little bulk to the seam allowance. Quick and easy to make because the stitching and trimming can be done in one step.
Disadvantages
You need a serger machine to make the stitch.
How to Make
Serge the seam. You can either serge each edge separately and press the seam allowance open or serge the two sides of the seam allowance together and press it to one side.