Primos Goose Flute Polycarbonate Goose Call Black Flute calls typically take a little time to master. Primos® Flex-End makes mastering the Canada Goose Flute easy. In the past, reproducing the basic honk of the Canada goose took manipulating your hands to break the calls honk from a low tone to a high note. Now the Flex-End does it all for you and you can reproduce the Canadas language with ease. Features: Easy to master Perfect for the goose hunter unfamiliar with flute-styled calls Reproduces the loud tones of the great Canada goose Unique flex-end hose creates automatic back pressure making it the easiest flute to blow Patented Reed System allows you to take the call apart and reassemble with perfect retuning every time