I pushed a pin out two nights ago, on my one and only half-link. It was the last half-link at the LBS.

After the requite foul-mouthing, I took "ye old skateboard tool".


Why? Because the screwdriver blade side had a nice taper and fit between the two sides of the outer chain link.
I pinched the skate tool in the vice laying flat, used needle-nosed pliers to hold the link, and tapped it in with a tiny hammer.

Something like this:


[not the actual link in question, this is just a hired stand-in link]