You'll be amazed how much more lively the Flybox Holo Polar Chenille swims underwater compared with other flashy fly-tying materials. Mobile Holographic Fibre proves to be the secret with a thin cut producing much more action than standard holographic tinsel, even with the most subtle movement. Flybox Holo polar chenille works well on a variety of patterns including salmon, trout, and big predator flies. Mobile Holographic Fibre Thin cut produces lively action Ideal for salmon, trout, and big predator flies