Now class, the technology ghost is here, please do not make eye contact or acknowledge them in any way, because they are beneath us...
Using a tourniquet is not nearly as dangerous as it used to be. Medicine has made some really impressive strides in reversing the effects. If you ever need to apply one, write the exact time you applied it directly onto the person near the wound. If you have nothing to write with, use their blood and write the time on their forehead.