How to Zig Zag finish seams with a zig zag presser foot

Even if you don't own a serger or a sew and serge presser foot, you can finish your seams neatly to protect your garment from unraveling. Use a simple method of zig zag sewing over the edge of your seams. This video sewing tutorial shows you how to do that with the seam pressed open or closed.