| 摘要 |
A hand-operated game call having a sound chamber, a handle including a horn at one end of the chamber, a bellows at the other end of the chamber and openings in both chamber ends; the chamber including a diaphragm normally closing each chamber, each diaphragm having a normally taut edge engaging an opening chord edge, the chord edge including a lip on the outside of the wall for preventing the diaphragm from overlapping the wall during vibration.
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