Test the stitching on a swatch prior to sewing the project. Stitch panels in the same direction to avoid puckering of seams. For hand sewing use a sharp straight needle and a curved needle in awkward sewing areas. A thimble is handy for pushing the needle through multiple fabric layers. Use the seam finish that works best for the fabric and design you are sewing.
Options are a serged finish, turn under and stitch, bias binding and pink and stitch.
Items that are lined do not usually require seam finishes if the fabric does not ravel easily. In areas where multiple fabric layers create bulk, grade the seam by trimming excess seam allowances to progressively narrower widths. Excellent for achieving perfect pleats, faultless gathers, even smocking etc. A rubberized back interfacing type product used with fabric to create customized window shades. Paper backed webbing that can be used to bond two pieces of fabric together.