Why do Specklebelly hunters rave about this goose call? 1. Pure Sound - This call is designed to create the agressive, clear, piercing sound of the "speck". 2. Free Floating Reed Design - Thanks to Illusion"s "free floating" reed design, you"ll be able to easily master the distinctive call of the "speck."Illusion;s Specklebelly Goose Call is one of the top sellers on the market! Get yours today... *This Specklebelly Goose Call also comes with Illusion"s "Don"t just call, communicate" instructional.