One little trick to add to ReiterRat's suggestion for HiHuim...

I have a good freind/co-worker that has fished HeHium alot and swears by the technique that ReiterRat mentioned except he takes his Gil's Monsters and plucks all the hackle so its very short...he contends plucking the hackle makes all the differance in the World.
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Ryan S. Petzold
aka Sparkey and/or Special