| 摘要 |
A game call apparatus comprises a mouthpiece including an air inlet opening, an air outlet opening, and a mouthpiece air passageway connecting the air inlet opening and the air outlet opening. The game call apparatus further comprises an outer sound chamber including an air inlet opening, an air exit opening, and an internal surface connecting the air inlet opening of the outer sound chamber and the air exit opening. The game call further comprises an inner sound chamber including an air inlet opening and an air outlet opening disposed within the outer sound chamber. The inner sound chamber air passageway connects the air inlet opening of the inner sound chamber and the air outlet opening of the inner sound chamber, and the inner sound chamber air passageway is in communication with the mouthpiece air passageway to permit air passage between the air inlet opening of the mouthpiece and the air exit opening of the outer sound chamber.
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