You can modernize the SAS survival tin for the twenty-first century. The SAS survival tin has been around since the 1970s. John “Lofty” Wiseman, who is a retired SAS Sergeant Major, popularized the use of the survival tin in his book, SAS Survival Handbook (1986). The book is currently in its third edition. Additionally, The survival and prepping worlds have made use of Wiseman's suggestions for the construction of a survival kit. Consequently, there are many commercial and private versions of this survival item currently available. The primary purpose

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