A variation of the Adams, but rather than the split feather wing, the RIO Parachute Adams Calf Dry Fly uses a post of white calf tail. This fly is the fly you want plenty of in your boxes. Use the Parachute Adams Calf anywhere Mayfly adults are being eaten - from large drakes to small baetis, and even for midges, in the right size.FeaturesPost of white calf tail12 Pack