Detailed instructions for tying a Rosenbauer's Rabbit's Foot Emerger. You can tie this pattern to match any emerging mayfly. Hook: Curved emerger hook (here a Dai-Riki #125), size 14-20. Thread: Brown olive, 8/0 or 70 denier. Shuck: Chocolate brown Antron dubbing. Abdomen: Olive rabbit-fur dubbing. Hackle: Dun CDC. Wing: Snowshoe-rabbit's foot hair. Head: Dark olive rabbit fur.