This is a Seam
I put two pieces of fabric together with the RIGHT sides touching and sewed them together.
As you will notice the edges of the fabric are raw and ravely.
So I have to do something to these edges so they:
1. Are pretty (I like to make the insides of my garments look just as good—or better—as the outside.)and
2. Don’t unravel completely and fall apart.
This treatment is called a
There are a variety of seam finishes, and the one you choose to use depends on many factors including: the type and weight of the fabric, how much the fabric will fray, the location of the seam and what kind of stress it will receive, whether or not seams will be seen, personal preference, and price point (some are quicker and easier to do, thus are cheaper).