Leader Loop Knot
1) Tie a loose overhand knot about 6 inches (15 cm) from the end of the line. Pass the end of the line through the centre of the overhand knot.
2) The end of the line is then brought around the overhand knot and passed through the two openings of the knot. The loop can be adjusted for size and pulled tight.
3) The finished Leader loop knot after the tag end has been trimmed. This knot is best tied in heavy mono, upwards of 80 lb.