Comment: It may not be the most

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In reply to comment: Oh well that makes sense (see in situ)

It may not be the most

It may not be the most effective thing, but it is better than nothing when people are possibly bleeding to death to stop the bleeding until you can get to them. He was obviously throwing it on the hurt people. Bags of QuikClot or some other blood clotting powder may have been there as part of first aid packages.
Please tell me your explanation that makes more sense.