Take safe interior out and use gun bags and socks and can packem in there.
You can do this, and if you alternate muzzle up and down, you can get more in than with rifle rods. However, it's a PITA trying to get the right one out. I use socks on some with the rifle rods; I just cut a small hole in the end of the sock for the rod. It's still a pain though as I have to feel each sock and guess what surprise lies inside.
I've yet to hear anyone complain about the rods. I think they're pretty much universally loved.