Peacock Herl should be considered a requirement on everyone's tying desk. Nothing beats the natural iridescence of peacock herl. It is used in everything from nymphs and dry flies to streamers and bass bugs. Though it can be a frustrating material to work with due to its fragility, once you master it you'll find an almost unlimited number of uses. Hareline's Strung Peacock Herl is some of the highest quality available.