new2fly, as you've already learned from other posts, not putting flies away wet is the way to keep them rust free.

A word of caution though, if you use barbless flies, they will not hold well in the foam or woool type patches and you will find you lose flies from the patch. I use a product called a "Flytrap" made by Waterworks Lamson. It has a patch in an easy to open, vented case that attaches to your vest.

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Joe