ft: 1 single chain with 2single threads (Fig. 80), and 7 changes of the threads; after the 3d changeof the threads, connect the 2d chain with the 3d, the 4th with the 5th.Finish off every 2 chains with a flat double knot. Make, over the first blue threads, 1 waved plait (Fig. 66, detail b); overthe…