Wales winger George North tells the Daily Mail's Luke Benedict how the cryotherapy chamber helped him regain full fitness ahead of the clash with England at Twickenham.
"Some of the boys compare it to death but I don't think it's that bad. It's constantly getting freezing cold air blowing at your body, from your neck down. It's a very strange feeling, difficult to describe, but you can see the results.
"I was doing it once if not twice a day last week just to keep up the recovery. You are in it for no more than three minutes maximum and within five minutes you feel fine again. It works."
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