One Piece Fly Line Systems for Switch RodsMany anglers favor One Piece Fly Lines for Switch Rods because of the simplicity and that there is no loop-to-loop connection to slide through the guides. The most popular seems to be the RIO Switch Chucker. There are other great lines in this family. These lines can also shoot streamers, nymph fish, and do a variety of tasks. While they typically aren't the "best" at any one operation they do offer the angler great versatility and will allow you to fish a broad range of conditions.