I been studying YOU TUBE on fly tying and invested a lot of money on different fly tying material and added this industries into stuff that may work for Kokanee with by the way there isn't any. Were talking about two different species of fsh one feeding on fly's one reaction to movement,color,action,speed etc. I think I 'be come up with some remarkable tube fly's out of fox tail,rabbit hair , I been working on the trailing hook by during that hook into a small something that may help with a reaction. As we know Kokanee like to follow presentation for a period of time before they comment.I tyed up a mysis shrimp / maggot etc.numerous ideas will they work.Unproven of course.I have proven my tubes Magic Mike have out fished ever hoochie out there that bold talk for a retired fat guy.