One piece (dewey) rods.
Bore Snakes for shotguns, I don't think they work very well on rifles.
Brass brushes for every caliber.
Powder solvent, copper solvent, lead solvent.
Regular oil in a bottle, light spray oil, brake cleaner.
pre cut patches (because I'm lazy)
Cloth baby diaper to lay parts and cleaning tools on.
"No, it's not a silencer. This little doodad is my own invention. I call it a loudener." --Sledge Hammer