This looks cool, a ratcheting Tourniquet
www.tacticool.com
RapidStop Tourniquets — TactiCool
The RapidStop® Tourniquet is an award-winning, rapid application tourniquet that maximizes the chances of survival. Developed at MIT and perfected by EMS, military and industry specialists. RapidStop® represents a hemostatic solution with military-grade ruggedness, all age suitability, superior sing
www.tacticool.com