if you're going to carry a knife you need to have the same understanding you qould as a gun. once it comes out, someone is going to die and that could very well be you. the killing distance of a knife is 15 feet, as in, if an officer has a knife pulled on him by a suspect within 15ft, there is a 90% chance he's going to be cut. the wielder can close that distance and cut the officer even of he takes a bullet 90% of the time.  if you're going to carry a knife and you have to pull it. understand this situation is now a life or death and you need to be 100% committed to carrying it out, because if you hesitate that knife will be taken from you and used against you.  use a firm grip, follow through, and be brutal. multiple stabs, finishing stabs, lots of aggression. no hesitation.
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