Oh, and they work just fine, perhaps even better in dirty water. Similar principles apply to gear or fly selection based on clarity. Most would downsize and favor more natural finishes in clear water, big and bright in dirty.
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I am still not a cop.

EZ Thread Yarn Balls

"I don't care how you catch them, as long as you treat them well and with respect." Lani Waller in "A Steelheader's Way."