Several years back, John Barr’s Copper John emerged upon the FF scene and gained immediate popularity because it worked and because, for its size, it quickly sunk. The copper wire body was adopted-adapted to many patterns. Consider wire wraps to suggest segmentation and to add additional weight to get a pattern down quickly and tumbling along. The wire body, metal bead and lead wraps beneath the dubbed thorax combine to get the stonefly pattern down quickly. A small chuck and duck pattern. Barb the hook streamside.
or, with this Wired Prince Nymph