Leeches, buggers, however you want to classify them this is one of the most filthy effective flies you’ll run into. Passes as a leech, large nymph or fish fry. But in addition to being favored by feeding trout, the really dirty secret is that this can be used as a killer salmon pattern. The conehead brings even more added weight compared to the beedhead variations. Tied on a quality Ahrex FW 570 hook that won’t let you down.