When big trout, bass, and walleye are prowling the depths, they rarely pass up the high-protein, easy meal that a large leech provides. Rainy's J's Living Leech is aptly named - the second this fly hits the water, the natural materials come alive. Combining an enticing, slightering profile with just the right amount of weight, this pattern is built to hunt the largest predators in both rivers and stillwater.