Rite Bobbin Posted in Fly Tying Materials, Sportfish The Rite bobbin allows you to easily adjust the tension on the thread. Available in three sizes. Store: Sportfish Buy at Store Related PostsFulling Mill CDC Once and Away Dry FlyFulling Mill Montana Green NuggetWapsi Painted Dumbell EyesFulling Mill Procter's Bounce Back Caddis Yellow Dry FlyRIO Elite Switch Chucker Fly Line