Hunters Specialties Thunder Twister Game Calls. It delivers improved sound quality and increased volume. The twist on silencer restricts sound when walking. Effective as a locator call. Patented. Specifications for Hunters Specialties Thunder Twister Game Call: Manufacturer: Hunters Specialties Fabric/Material: Latex Species: Turkey Package Contents: Hunters Specialties Game Calls 06965 The Hunter's Specialties Game Calls 06965 is a quality addition to the Hunters Specialties lineup. For more great deals on Game Calls by Hunters Specialties please browse our Hunter's Specialties Hunting Accessories page. Hunters Specialties HS-STR-06965: Thunder Twister Game Calls