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Old 01-16-17, 01:59 AM
  #38  
dabac
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Originally Posted by RubeRad

Also, you can buy reusable warmers that are filled with a special solution so that you can boil the pouch to cause a chemical reaction that stores potential heat energy, and then "click" an activator inside the pack and that starts a reaction that slowly releases heat back out.
While they work - technically - I've never found them particularly useful for outdoors activities. They carry a rather limited amount of heat, both in time and temperature. I've tried using them for tour skating, and more often than not found them already activated and spent when I wanted to use them.
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