No finesse required. Mop flies really catch fish, and the White River Fly Shop Mop Fly is as deadly as any. Made from fluffy mop chenille, this simple fly may not look like much to you and me, but the trout cant seem to resist it. When the precision hatch-matching deal isnt working, toss out a Mop Fly, and see if that doesnt clean up on lethargic browns, rainbows, and even brookies. Tied with a bead head. Easy to cast and works effectively. Per 6. Size: 8. Color: Pink. Cancer and Reproductive Harm- www.P65Warnings.ca.gov.