I use a lot of copper tinsel and found Sulky brand threads available in fabric stores is essentially narrow Flashabou on a spool. I use it for bodies, ribs, and Flash as is. It can also be furled to create a very stable "twist" style rib which can be either a single color or a collection of the many colors available from Sulky.

Copper body softhackles are a serious favorite of mine for many conditions... A copper ptarmigan being an especial favorite...
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