Hareline Ice Dub fly tying dubbing has a brilliant sparkle underwater and dubs beautifully. Special Ice Dub holographic and UV colors provide any fly with extra sparkle. Hareline Ice Dub is by far the most popular Dubbing of the many fine fly tying materials we inventory at the Caddis Fly Angling Shop. Hareline Ice Dub can be used on dries or nymphs and is a fantastic all around dub. Ice Dub can also be mixed with natural dubbing fibers for added translucence.