Easy Trick, How to turn a thin sewing thread for a thick thread / cord - YouTube
3/80 Polyester Industrial Sewing Twine | Webtex
Amazon.com: Sewing Thread - 24 Polyester Threads for Hand Stitching, Quilting & Sewing Machine - Set of 1000 yds Per Spool - 20 Colors Plus 2 x White & 2 x Black : Everything Else
Sewing tips for beginners: Important info about needle and thread