The result of more than two years of research and development, Hunters Specialties Strut Premium Flex Four-Pack feature Infinity Latex which requires less air pressure, meaning you can create the same realistic calls by exerting far less effort. Whats more, no break-in period is required, so you can head to the woods with a brand new call and not think twice. Moisture-resistant tape and latex for long-lasting use. Includes the Premium Flex Lil Strut, Sickle Cutter, Triple Trauma and Smokin Gun. Type: Game Calls.