Hot Head UV Cruncher - This UV thorax Cruncher is a sensational nymph. It really is hot property when on your cast. Whether its buzzers, shrimps, corixa, or pin fry the trout are feeding on, the uv cruncher will catch you fish - guaranteed. The UV really comes through the crunchers hackle feathers when wet, giving it a real target for the trout. Best fished on a floating line, or short tip lines.