After the seam is sewn, a seam finish can be applied to the outside edges of the seam allowances to keep them looking neat and prevent fraying. Examples of seam finishes are a zig-zag stitch, using pinking shears for a pinked finish, french seams, flat-felled seams, etc.
I have four seam finishes in my lunch today, would you like one?
Having sewn the seam, rather than leave the raw edge of the cloth, finish as with a serger, or overcast the edge.
If you are working with a standard pattern for leisure wear summer shorts, a simple straight stitch seam will be good enough. If you are making sports shorts, that will require a stronger finish, I suggest a flat fell seam.
seam to seam
A plain seam is easy, and very simple.It helps the fabric lie flat.It's the most common seam.You don't need to change needles or settings for a plain seam.
The three types of seam are Plain seam, French seam and Ancient or Old German flat seam.
a curved seam is a seam that is curved
Wind on the under thread, run the top thread, pick a type of seam and stitch length. Insert cloth, fasten the thread by a short run back & forth, then do your seam. Finish by short runs back & forth.
Optimally, a serger is the best way to finish material that ravels. If you do not have a serger, you can finish the raw edge with a regular zig-zag stitch. If you don't have a zig-zag stitch on your machine, you can simply reinforce your seam with another row of straight stitching.
Normally, you don't find loopers in a sewing machine but on a serger or overlock machine. They bind the edges of a seam to finish it off.
If the seam is coming apart, use J B Weld between the parts and then if possible screw in 2 small self tapping screws through both parts at each end. This should pull the parts together, then finish off the top of the seam with J B Weld also.
An open seam is a general purpose seam. An open seam is two pieces of fabric sewn together, and then the seam allowances are pressed open, creating a flat and clean seam line on the right side of the fabric.
An enclosed seam, or a French seam, is a seam that is sewn with the wrong sides of the fabric together. A second seam is usually sewn with the right sides together so that the first seam is enclosed.
A serger machine will sew your seam, trim the raw edge, and finish the raw edge in one step. The end result will be the type of seam you find inside a ready-made or store bought garment. See related links for more details.