Those bubble nymphs are cool. They seem too clever for me, but I am not above growing. Ray, thanks again for the references and SBS on tying up those extentions. I'll give them a try as I think I have some wire that will work and my vise will obviously spin, so it should be an interesting process. I like the idea of being able to make a stack of extensions and tie them all at once. You have the greatest breadth when it comes to all things fly tying. Just extraordinary. Your breath is a whole other matter.
Jim, I can see these swaying side to side and I'm happy enough with that. I can only imagine tail wiggles are preferrable to paralysis even in the wrong direction, but I don't understand how you came to that conclusion unless some physical property of the assembly restricted the movement up and down. The flies as I hold then and dangle them, spin them around and check the motion are free to do whatever they want it seems. If in actuality they only "shake it like a polaroid picture" (anyone who gets that reference is probably on the wrong forum.
) I'll be content to give them a go and see what happens. There are so many opinions about whether fishing Iso nymphs is even worth attempting due to the nature of their emergence and the small numbers of nymphs which are caught adrift. Green drake nymphs too are said to be very fast, rocket to the surface and emerge as duns so quickly they are of little interest to trout. As duns they are sitting ducks and that is where the fun begins, given you can find an adequate GD dun pattern. Of course for every opinion there are 10 others, but I still think it's an interesting excercise to tie something up and give it a go. When I get frustrated, I'm sure I won't have any shortage of other options to pursue. I can't wait to see an actual significant GD hatch. Maybe it'll happen and I'll have a story to tell. Thanks again everyone for the comments and direction.
Hint....Hey YA!
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Shake it!