Dave Ballok's Big Boy musky, pike and large predator fly from Umpqua is a magnum fly for magnum fly fishing. Approixmately 11 inches long, Ballok's Big Boy fly combines a large deer spun head for moving water and a nice blend of flash for attracting large predators like muskies. To get this musky fly down to where it needs to be, especially with the floating deer head, utilize a sink-tip like the Airflo Streamer Max Fly Line. When searching for large musky flies, especially fly fishing fall muskies, the Big Boy from Umpqua is an excellent choice.