Hailing from the day in which a gentleman would be educated in the manly arts of boxing and stand ready to sally forth to tackle the occasional brigand, cane guns were offered from gunmakers in mid-19th Century Western Europe.
To update the market with a more American take on the concept, Remington began producing its own Rifle Cane just before the Civil War.

Just the ticket for curbing an attack from a rabid animal or a rapscallion along the highway, this trusty cane belongs to another era.
More in my column at Guns.com