Fly Fishing Knots - Perfection Loop
Tying the Perfection LoopThis knot is commonly used for making a loop in the leader or a dropper.
1 - Take one turn around the monofilament. This is the upper loop, hold it at the crossing point.
2 - Make a second turn around the crossing and bring the end around once more between turns, lower loop.
3 - Pass the lower loop through the upper loop. Pull on the lower loop until knot tightens.