I had a nice buckle blade years ago. Nothing fancy, though. Also carried a nice
Tekna Knife. However, I think I paid about $30, though, definitely not $200. LOL
Edged weapons can be very effective, especially if you live in a state like California that rarely grants carry permits, but has some "liberal" knife laws.
I find the Spyderco Civilian to be a very good SD knife:
