The braid stitch (also called cable plait stitch) is a decorative hand embroidery stitch that creates a nice braided line. It works well on curves and lines and can be large or small depending on the width and the weight of thread you use. You can find out a lot more about braid stitch here on Needle 'n Thread: https://www.needlenthread.com/2010/11/braid-stitch-video-tutorial-cable-plait-stitch.html You can also find a good illustration of it in in use here: https://www.needlenthread.com/2017/11