Turle Knot
The Turle Knot is a straight inline knot used to attach a fly to the leader. The Turle Knot is a popular knot that has been used throughout history because of the straight pull from the hook shank to the leader. A riffling hitch can also be used with the Turle Knot to add action to a skating fly.
Run the end of the leader up through the up-eye.
Make a loop with the tag end going behind the line.
Fold the tag end over the loop.
Wrap the tag around the right arm of the loop 3 times.
Stick the tag end back through the loop being pinched by your thumb and index finger.
Pull the tag and moisten the knot, creating a slip loop knot.
Place the loop over the rear of the fly and position the loop over the eye of the hook.
Pull the loop tight.