For a pry bar that can be sharpened, try County Comm http://www.countycomm.com/eodrtool.html.

They also have lots of "widgy bars", etc that are suitable for key chain carry. I have used them to good effect,although I no longer have one on my keychain. I didn't really use it all that much.

In an emergency, anything (or at least a lot of things) can be a prybar