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cracking knuckles
Manipulating the knuckles to produce a sharp cracking sound. Cracked knuckles on the hands are common, but other joints can be cracked such as the wrists, feet, elbows, and knees.
Examples
Manipulating the knuckles to produce a sharp cracking sound. Cracked knuckles on the hands are common, but other joints can be cracked such as the wrists, feet, elbows, and knees.
