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1
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knuckle
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United States
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Knuckles in the US are used for knocking on doors and cracking fingers, and are considered harmless and polite.
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6
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2
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knuckle
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Japan
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In Japan, knuckle cracking is seen as impolite and can bring bad luck or arthritis.
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5
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3
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knuckle
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Europe
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In European culture, knuckles are used for rapping on doors or cracking fingers.
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3
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4
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knuckle
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Korea
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In Korea, cracking knuckles is viewed as impolite and can bring bad luck or arthritis.
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3
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5
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knuckle
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Western countries
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In Western countries, knuckles are commonly used for knocking on doors and tapping on tables for attention.
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3
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6
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knuckle
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Asian culture
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Knuckles are used in traditional medicine and pointing with them is considered disrespectful in Asian culture.
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2
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7
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knuckle
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Germany
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In Germany, people sometimes use their knuckles to knock on doors as a polite gesture.
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1
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