When I want to be pretty sure a tube is riding the way I mean it to I tie the way I would on a shanked hook. Most of the time I get them right. That is a very cool fly and maybe the only Dee winged tube I have ever seen.
I just see way more material on the underside of the fly compared to the top, and the strip wings arent enough too counteract it. The section with the most material will want to be on top, unless you have a larger/heavy enough hook to counteract it. Hence why a double hook might help.
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