There are many different knots that you can use to tie your fly lines. Any one of them will work just fine. Which one you choose is a matter of personal preference. It is important that you tie the knot correctly and secure it properly. Failing to do so will result in lost fish and a lot of frustration.
Before you tighten a knot, you should wet it either with saliva or by dipping it in water. This will help the knot slide and seat properly. Lubrication also decreases excessive heat which dramatically weakens monofilament. Heat is generated by the friction created when knots are drawn up tight.
Seating the knot means to tie it tightly. Tighten knots with a steady, continuous pull. Make sure the knot is tight and secure. After it is tied, pull on the line and leader to make sure it holds. It is better to test it now than when a fish is on.
You will also need to trim the ends neatly. Use nippers to trim the material as close as possible without nicking or damaging the knot.
Here are a few of the more common knots you can try:
Blood Knot (Monofilament to Monofilament)
Improved Clinch Knot (Leader to Fly)
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