I don't have pictures of this, but I'll try to describe it as best I can. I have seen loops tied in the end of fly lines. The fly line is doubled back on itself and then it looks like it is wrapped with thread and I assume cemented with Sally hansen's or some thing to that affect. How do you tie this loop? I like to have a loop at the end of the fly line for a loop to loop connection with the leader. I've thought of taking a short piece of monofilament and tying it on with a nail knot and a perfection loop on the end, but I really like the looks of the other loop.

thanks in advance,
hNt