The Rolling Thunder Big Heavy Canada Goose Call in Frost is the ultimate tool for serious waterfowl hunters who demand unmatched performance in the field. Designed with a larger bore longer insert and expertly redesigned guts this call produces deep resonant tones that perfectly mimic the natural calls of Canada geese. Its versatility and precision make it ideal for fooling even the most cautious geese whether you're targeting lessers or greaters. Crafted from durable acrylic this call not only delivers exceptional sound quality but also withstands the rigors of the hunting season. A favorite among professional guides year after year the Big Heavy stands out as a reliable and powerful choice for achieving success in the blind.