Little Red Wagon Repairman
MFOMBSoPGA
Dino Kicking someone in the nuts is not as easy as it seems. The need for a cane at least for now is a clue. Could I kill? To protect my family. I strongly suspect I could and would. Not ever looking for trouble. But to quote Simon and Garfunkel "The Time's they are aChangin"
https://www.youtube.com/watch?v=afLyjnmYnz0
Good. Know what you are capable of and what the fallout will look like after the fact. I don't want you hurt, incarcerated, or sued.
Check the laws in your state about the legality of carrying a sword cane. Would it be easier in your state to get a concealed weapon permit for a gun? Taking a life is taking a life and a gun is superior. A gun is a tool but you decide how the tool is used. That tool may make it easier for you to protect yourself.