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A comment on Why Do Cracking Knuckles Make That Noise? You Might Need a Calculator. Parent comment

Re:Why Do Cracking Knuckles Make That Noise? You Might Need ... by ngokevin on Tuesday April 03, 2018 @05:15AM (#16743032)
I can crack my fingers repeatedly by crossing my index/middle and ring/pinky fingers together respectively and closing my fist.
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