Rope Halter with Fiador Knot © Connie Nygard (and if your knots don't slip like they should, keep workin' on them!) Materials needed 20 feet of 1/4 inch polyester rope. Matches to melt and seal the ends of rope Measurements are from knot to knot and do not include knot. Make the knots firm but not tight. The last knot in about the middle of the rope is a knot with a loop for the tie loop of the ha