How to Tie the flashback pheasant-tail nymph when fly fishing

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.