Arbor Knot1. Wrap your line around the arbor of the spool with the tag end of the line. Then tie a simple overhand knot around the standing part with the tag end.
2. Tie a second overhand knot in the tag end just an inch or two from the first overhand knot.
3. Pull the standing part of the line to slide the first overhand knot down to the spool and the second knot to jam against the first. Trim tag end close.