Where the tourniquet can be used?

A life-threatening bleeding could occur on the road (e.g. severe extremity injuries in road traffic accident), on the street (e.g. knife attacks, terror attacks), in the nature (e.g. an accidental injury while hunting, falling on a protruding tree branch), or in the household (gas explosion, careless work by the machine-tool, using a handsaw or an angle grinder).