Here's what happens to your knuckles when you crack them

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Vox
2015-03-09 13:19:18 קטגוריה: חדשות ופוליטיקה מאת: Vox
One man cracked his knuckles in one hand for 60 years and not the other. Watch the video to see what he found out. Help us make more ambitious videos by joining the Vox Video Lab. It gets you exclusive perks, like livestream Q&As with all the Vox creators, a badge that levels up over time, and video extras bringing you closer to our work! Learn more at is news website that helps you cut through the noise and understand what's really driving the events in the headlines. Check out to get...

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