Improvised tourniquets can work Interesting artcle - officer used a belt and spoon to control arterial bleeding.https://www.bbc.com/news/uk-wales-45803893?dm_i=1DMW,5XQY5,8XQA2S,N8UMK,1
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