Step 8: Sewing Lengthwise to Stabilize
See drawings B & C.
Keep going, you’re almost done!
Starting at one end, in a large zig-zag pattern, sew up the entire length of the scarf, making sure to go all the way to the edges. If there is a piece of the edge that looks less secure, try to sew it during this pass. Repeat this four to six times.