Is an overcast foot necessary?
The overcast foot is almost a necessary tool if you don‘t have a serger. It is a pretty versatile presser foot. However, it’s mostly used to sew seams and seam finishes. To be honest, you can do these tasks with a standard presser foot and overcast or zigzag stitch.
What is Overedge stitch?
The Overedge Stitch is used for sewing sportswear and stretch knit fabrics. It sews the seam and finishes the seam in one step.