Phlster Flatpack Tourniquet Carrier The Flatpack is the most versatile and lowest-profile tourniquet carrier available and it eliminates any and all excuses for not having a vital and life-saving tourniquet on-body. Until now, the EDC of a TCCC recommended tourniquet involved a number of compromises. Combat tourniquets, like the proven North American Rescue CAT and Tactical Medical Solutions SOFTT-Wide, required bulky cases or pocket carry with rubber bands.