| 摘要 |
A whistle comprises a mouthpiece, a resonator and an air outlet opening. In one embodiment, a bottle opener is formed in the wall of the resonator. The bottle opener is made of a combination of a first segment shaped approximately like a quarter circle and formed in the wall of the resonator and a second segment formed as a separate component. The second segment is shaped like a metal strip. The strip is incorporated in the wall of the resonator in such a way that its outer contour follows the approximately quarter-circle contour of the first segment. Therefore, the strip projects somewhat from the surface of the first segment so that a free edge projects out from the first segment.
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