The Dr. Slick Rotating 4" Hackle Pilers make wrapping dry fly hackles a snap. The rotary style hackle pliers like these are excellent for tying parachute flies. Because these hackle pliers rotate they always keep your dry fly hackles at a 90 degree angle from your fly tying hooks. Tying neat small dry flies will be easier with these pliers. This is one of those fly tying tools you must have.