C.A.T.

‎Since its introduction into combat by the US Army in 2005, the Combat Application Tourniquet, a true one-handed tourniquet, has decreased the death rate due to extreme exsanguination by 85%. The United States Army Research Institute deemed it 100% effective. ‎
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C.A.T Resources is the world's leading brand in the manufacture of combat tourniquets. In fact, turnstiles of this type have acquired the suffix CAT to become known as CAT-type turnstiles.