Busy 2018 - have run 3 day OWL courses at Nottingham, Otley & Budworth. Plus one day conversions at Budworth x 2. Plus one assessment of a OWL course at Liverpool.
Cold Water Shock - have look at the Canadian Cold Water Boot Camp site - some excellent videos on the effects of cold water on the human body. http://www.coldwaterbootcamp.com/pages/home.htmls