Brad,

Just remember that the fish will strike anything that looks alive. That is why a bushy fly catches fish. The extra material gives the fly movement. Maybe the extra material looks like legs moving, etc. In fast current, the fish do not have a lot of time to look the fly over so do not get to particular with coping every detail of the "bug" you are tying. Tie a few and take them to the water and let the fish tell you if they like it or not. Most of all, have fun in your tying and in your fishing. Don't get too serious. Fishing is suppose to be fun. Just my 2 cents worth.

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Warren