Metronome:
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Squatting the Mat (2 seconds)
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Fussing in the thicket, rustling leaves
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Sine wave (975Hz)
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Blowing into the microphone,, Knocking
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Squatting the Mat (0.5 seconds)
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Electronic sounds
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Servo motor
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Fishing torsion reels
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Fishing, spinning spinning
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Whip pillow
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Unlock the bike lock
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Scanning goods at the supermarket checkout
★★★★★