Birge's Post-Tournament FreezeDuring cryotherapy, light cotton gloves, socks with slippers and an undergarment protect the patient's extremities from possible frostbite. And even though the process rapidly lowers the patient's surface skin temperature to about 30 degrees, it will not freeze skin tissues because exposure time in the chamber is limited.
Source: Birge's Post-Tournament Freeze (http://www.flwoutdoors.com/fishing-articles/157696/birges-post-tournament-freeze/)
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