I've been meaning to right this terrible wrong. I used to make fun of the Hammer/Pliers multitools. The ones where the hammer is like 5 inches long with a tiny head and hinges in the middle as a pair of pliers? Yeah, I have one of those too.
I was putting trim up in a tight corner and couldn't get a regular hammer in there. I pulled out this:
and proceeded to put in a half dozen finishing nails without a single mis-hit. Color me impressed.
Oh, and here's the full tool layout:
Not great, but actually, it did the job!