0:03
mp3 wav
Knocking on glass, big, hollow
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0:03
mp3 wav
Knocking on a glass surface in a bathroom.
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0:01
mp3 wav
Knocking hard on glass window pane.
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0:11
mp3 wav
Rapping/knocking repeatedly on window pane.
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0:04
mp3 wav
Knuckles rapping on glass window
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