Johnny Stewart Li'l Red Wolf Howler Diaphragm Call -This four-reed diaphragm call produces perfect howls and barks with plenty of volume to call wolves in from a distance. For the most consistent fit and stretch, it's built on a Hunters Specialties Premium Flex frame and features Infinity Latex for the highest quality wolf sounds. Produces perfect wolf howls & barks Four-reed design Plenty of volume for long distances Premium Flex frame for consistency Infinity Latex provides high-quality sound