The 8-note call of the barred owl has a rasp that is heard only when you are extremely close. This is the sound that Primos has found turkeys will respond to the best. They have designed the Power Owl to accurately reproduce this sound with strong volume, to locate even the wariest of gobblers. Features: Design allows for super-loud locatingImproved design keeps reeds from sticking due to over blowingThe use of back pressure lets you vary tones and pitches