I use this brand of lace because it tends to stay in place as I work.
Large spools are available at most craft stores.
Plastic lace is also readily found at Scout Shops. Our local Boy Scout shop carries a larger variety than our local Girl Scout shop. In these instructions you will note that I have cut all ends short so that you can view the orientation of the strands as I work. Start by wrapping the 9-foot strand of lace around your finger, centering the strand on your finger so that both ends are the same length. This is your starter strand.