This is one of the most reliable means of joining two monofilament lines that are of dissimilar diameter.

(1) Create a loop in the heavier monofilament line. Pass about 10 inches of lighter line through the loop.

(2) Take 12 wraps back around the heavier strands with the standing portion of the lighter line.

(3) Pass the tag end of the lighter line out through the loop on the opposite side of where entered.

(4) Hold the two mono strands securely as you alternately pull on the tag end and standing part of the lighter line to begin tightening the knot

(5) Seat the knot by pulling on the standing parts of both lines.

(6) Trim and tag ends.