This would-be victim is one tough old dude.
Barber Shop Owner Shoots Robbery Suspect
This owner understands the idea that he is the one that has to deal with the immediate threat. And he has the right mindset to be effective. Your mindset plays just as an important role in your self defense as the tools you choose. You could have a SAW to defend yourself with, but you must have the mindset that will allow you to use in the right situations.