Thread the needle and knot the end, then start with a simple straight stitch to join two pieces of fabric with right sides facing each other. Push the needle up through the fabric, then back down a short, even distance ahead, keeping stitches consistent in length and close to the seam line for strength. For hand sewing, a running stitch works for quick seams, while a backstitch (looping back over each stitch) is stronger for stress points. If using a sewing machine, guide the fabric gently rather than pulling it, letting the machine feed it through at its own pace. Pin or clip fabric pieces together before sewing to keep them aligned, and always test stitch tension and stitch length on a scrap piece of the same fabric first.