Frank Sawyer, river keeper on Englands' Wiltshire Avon, designed an elegantly simple nymph that sinks quickly and imitates various Baetis mayfly species. Sawyer's nymph had only two ingredients: pheasant tail fibers and copper wire. The wire was used as an underbody, to attach the pheasant tail fibers to the hook, and also as a rib over the abdomen.
Have an iPhone? Check out all 200+ new features coming in iOS 13.