for that price you won't find many. I think you'd want a combat ready odachi thoughedit: found one http://www.trueswords.com/musashi-battle-ready-66in-odachi-sword-extras-p-4585.html
OP is afraid of robbers
sharpen your hand until it becomes swordlikeyou can chop things with katana like precision and swiftness, plus you look like you're karate chopping things
Don't get greedy though and do it with both hands, or you'll have the worst time using the toilet.
someone test if you can masturbate with a sword