This is way over-engineered. Just put your hands in cold water.. Also, this fact... | Hacker News

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		rjprins on Oct 28, 2011 \| parent \| context \| favorite \| on: Body hacking trick: cooling the hands for better p... This is way over-engineered. Just put your hands in cold water.. Also, this fact about cooling the body for better performance is well known in professional sports. An example product that is being used there: http://www.icydip.com

dlytle on Oct 28, 2011 [–]

The problem with that is that the blood vessels clamp down in response to cold. The vacuum prevents that, and seriously improves the efficiency of the cooling process.

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