BONUS: Castability Unleashed: Mark Sedotti's Journey with the Sedotti Slammer

Episode OverviewIn this episode of The Butcher Shop, host Marvin Cash sits down with Mark Sedotti, inventor of the Sedotti Slammer and one of the pioneers of weight-balanced streamer design, to trace nearly 35 years of big-fly development for striped bass and bluefish. Sedotti explains why a lead keel and the right amount of absorbed water can make an oversized streamer cast further and more accurately than a small one, overturning decades of conventional wisdom that heavy flies are harder to throw.Working from western Long Island Sound, where he first tied the Slammer to imitate adult menhaden up to 15 inches long, Sedotti walks through the evolution of his high-and-low bucktail tying method, the construction of a rectangular lead keel to stop wide-profile flies from rolling, and the concept of weight balancing that ties it all together. He also details how the Slammer found its way to Michigan's Manistee River in the early 1990s, where guide Russ Maddin nicknamed it the Screaming Jesus and helped ignite the modern big-streamer trout movement.The conversation covers rod and line selection for casting giant flies, including Sedotti's signature Sayonara sling casting technique, along with retrieve mechanics, leader setups, and where to source materials and commercially tied Slammers. Anglers chasing striped bass, bluefish or trophy trout with oversized streamers will come away with a working framework for why some big flies cast beautifully and others simply won't turn over.Key TakeawaysHow to weight balance a streamer so it casts smoothly regardless of its size, rather than dragging through the airWhy adding water-absorbing materials like bucktail can improve a big fly's castability instead of hurting itHow to build a rectangular lead keel from lead wire to stop a wide-profile fly from rolling in the waterWhen to size a streamer to match adult versus immature baitfish, since selective stripers and bluefish may refuse flies shorter than the natural forageHow the Sayonara sling casting technique adds effective rod length and line speed for longer distance with a single-handed rodWhy a long leader of eight to nine feet improves fly action and strike rates when streamer fishing for troutTechniques & Gear CoveredSedotti's core concept is weight balancing: adding just enough weight to a streamer to counteract wind resistance and drag during the cast, which he discovered by building a rectangular lead keel out of 0.030-0.035 lead wire to prevent wide-profile flies from rolling. His high-and-low bucktail tying method, refined with input from Bob Popovics on achieving a three-dimensional bunker profile, remains consistent across pattern sizes from three and a half to over 20 inches, with synthetic yak hair, bucktail and feather substitutes used as natural saddle hackle and schlappen became harder to source. For casting, he favors a fast-action 11-weight rod paired with either integrated sinking lines, shooting heads or a floating line for shallow presentations, and retrieves with long, fast strips followed by a pause where most strikes occur.Locations & SpeciesSedotti developed the Slammer in western Long Island Sound around Greenwich, Port Chester, and Rye, New York, targeting striped bass and bluefish keyed in on schools of menhaden, or bunker, ranging from three and a half to over 15 inches depending on the season. He later carried medium-sized versions of the fly to Michigan's Manistee River, where it proved effective on trout and helped spark the region's big-streamer trout culture, as well as to Montana's Beaverhead River for trout. Today, he fishes deep structure at Montauk and Southwest Ledge on Block Island for large striped bass, working the fly 35 to 45 feet down on sinking lines.FAQ / Key Questions AnsweredWhat is weight balancing in streamer fly design, and why does it matter for castability?Weight balancing means adding enough weight to a fly to counteract the wind resistance created by its materials as it moves through the air during a cast. Mark Sedotti found that a properly weight-balanced fly, regardless of size, will false cast smoothly with a normal loop, while an unbalanced fly either drags or develops an uncontrollable loop.How do you build a keel to stop a wide-profile streamer from rolling?Sedotti wraps half-inch strips of lead wire in layers of five, stacking three levels to form a rectangular, raft-like keel along the underside of the hook shank. The exact method matters less than achieving the correct total weight for that specific fly to keep it weight balanced.Why can waterlogged flies actually cast better than dry ones?A dry fly with the same amount of bulky material