Nice crinkly trilobal antron dyed to match mayfly and caddis emerger colors and packaged as a hank. This fly tying material has movement to add life to your emerger patterns, and a lot of sheen to catch the light so your target fish notices the fly.
Rabbit and guard hairs make it very spikey, along with Antron for some added sparkle.
SemperFli Sparkle Dubbing adds the kind of glint you see when nymphs and wet flies catch sunlight in the drift, giving trout, steelhead, and grayling patterns a small "hot spot" that can push a following fish into committing. This synthetic sparkle dub...