Heavily weighed caddis larvae for winter and spring steelhead. Chartreuse Caddis Larvae are very effective for Great Lakes steelhead especially below spawning fish. Larvae get knocked out from around the rocks and are eaten by readily by both steelhead and smallmouth bass. The Frozen Spring has proven effective for steelhead holding in slightly off color water in 2-5 ft. deep runs. Tied on a MFC no. 7045 Heavy Wire Scud to take the punishment of Great Lakes steelhead and salmon.