Dense chenille fibers Durable construction Smooth wraps Ideal for nymphs and streamers Hareline Dubbin was founded in 1981 in Monroe Oregon. It has grown from the kitchen stove top with 12 colors of Dubbing to a 45,000 square foot facility with thousands of fly tying products ready to deliver. Hareline Ultra Chenille is a dense, durable chenille designed for clean, consistent fly bodies.