Place pre-looped tourniquet high on affected limb, over clothing.
Tighten strap through buckle as tight as possible.
You can also unbuckle, route the strap around limb and re-buckle.
Rotate windlass rod until bleeding stops.
Tourniquet application hurts, this should not prevent application.
Check bleeding control regularly and after any movement of the casualty.
Check for further injury.
Secure rod in retaining triangle.