I’ve mentioned the brilliant steampunk blog and resource Trial by Steam at least once before.
Here is an article on sword canes. Yep, sword canes. How good is that?
Here’s an excerpt:
Please note that these weapons are illegal in the states of California and Wisconsin. It is your responsibility as a potential owner of a lethal weapon to check your local laws for other stipulations which may affect the transport or use of a sword cane if you choose to purchase one. Please be a responsible owner.