Have you heard of this gun?
I was at the range today with a buddy who is in the market for the ever popular pocket pistol. He looked at the Kahr's...the Rugers..the J Frames.. all the usual suspects. I could see something was bugging him so I asked him what was up. He said he had seen something on line about a pocket pistol gun, about the size of a .380 that had a button at the bottom of the grip. He said when you hit the button a grip extender that was hidden in the bottom of the magazine fell down so that you could get your pinky on the grip. I thought he was crazy and laughed it off and went home..
Now I am thinking that would be pretty handy. You would have the conceal-ability (because of the conventional small grips on pocket pistols) and a full 3 finger grip when you needed it for action.