The Bead Head (BH) Flashback Pheasant Tail Black Nymph is a versatile fly pattern designed to imitate small aquatic insects like mayfly nymphs, with added features for extra attraction. The body is constructed from black-dyed pheasant tail fibers, providing a natural segmented appearance. Silver or copper wire is often ribbed along the body for durability and a subtle flash. The “flashback” element is a shiny strip of Mylar or tinsel on the back, creating a reflective effect that mimics the sheen of an emerging insect. The bead head, typically gold or silver, helps the fly sink quickly and adds extra flash to attract fish. This pattern is particularly effective in clear or bright conditions, where the flashback and bead head can catch light and draw attention.