Willis KnotThe Willis Knot is used to attach a leader to lead-core fishing line. When using a monofilament leader one overhand knot is sufficient. When using a braided line leader (Spiderwire, Fireline, etc.) use two overhand knots. The knot grips with a "Chinese finger pull" function with the overhand knot adding the final security needed. This knot is considered to be very reliable by lead core fishermen. Alternatives include an Albright Special or a Double Uni tied with the sheath material of the lead core.
1. Take finger and thumb and pinch down on lead core line and slide back about four to six inches of the outer sheath. Cut the inner wire at that point and straighten empty sheath.
2. Tie a loose overhand knot in the sheath material back by the cut part of the inner lead.
3. Slide mono leader into sheath all the way back until it touches the inner lead. Now work the overhand knot back to the end of the sheath material stopping just short.
4. Tighten down the overhand knot and test by pulling hard on the leader. It should not slip.
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Disclaimer: Any activity involving rope can be dangerous and may even be life threatening! Knot illustrations contained in this web site are not intended for rock climbing instruction. Many knots are not suitable for the risks involved in climbing. Seek professional instruction. Many of these knots have histories of use tracing back hundreds of years. However, many critical factors in their use today cannot be controlled, including: the appropriateness of knots used in particular applications, the age, size, and condition of ropes (knots weaken the rated breaking strength of rope anywhere from 50% to as much as 80%, even more in the case of old and worn rope); and the accuracy with which these descriptions have been followed. No responsibility is accepted for incidents arising from the use of this material.