The longest flowy fibers you can find.
The Flat Wing Saddle patch is the perfect long hackle for so many applications. This natural hackle has some of the best movement of any material. The stiff barbs make for a buggy collar for flies such a wooly buggers or tie them in as long-tails. Flat wing fly patterns need this material to give that long flowy movement required. This Hackle ranges from around 12″ long and comes in a multitude of colors. This material makes for great tarpon fly tails.