
A Simple BWO Emerger for Finicky Trout
When rising trout refuse a perfect dun all afternoon, the problem usually isn't your drift. It's your stage.

What Firehole Hook Replaces the One You Already Tie On?
Find the Firehole hook that stands in for your TMC, Mustad, Ahrex, Hanák, or Fulling Mill hook. A model-by-model barbless cross-reference, each match called direct or approximate, with full specs b...

October Caddis: The Pattern, the Hatch, and How to Fish It
The biggest dry fly of the fall, a hatch that happens on the bank instead of in the current, and why the fish either eat it with everything they have or ignore it completely.

Some bags say 97%. Some say nothing. Here is what the number means, what the whole range is worth on an actual fly, and how to check any bead yourself with a kitchen scale.

The Stone Stack: How to Weight a Fly on Purpose
Three Firehole Stones components share one bore, so weight, profile and color stop being the same decision. Component weights, the arithmetic, and where to start.

Fly Hook Sizes Explained: How Hook Sizing Works
A bigger number means a smaller hook. Here is how fly hook sizing actually works, where the aught sizes begin, and why a size 14 varies from brand to brand.
