Hunter Specialties Thunder Twister Gobble - The Thunder Twister® Gobble Call now has a new and improved camo-colored bellows featuring Infinity Latex®. It delivers improved sound quality and increased volume. The twist-on silencer restricts sound when walking. Effective as a locator call. Patented. New and improved camo-colored bellows.Featuring Infinity Latex®Twist-on silencer restricts sound when walking.