Once a year, maybe. I’m sure many don’t ever and there’s are no ill effects.
Tools are included because the knife is a tool, and CRK has confidence in its customers and the knife itself. Not because it has to be frequently serviced.
Same here. Lots of dried up crusty gunk in my pivot and threads...locktite? I actually think oil runs smoother than that flourinated grease they want you to use. Any one else use oil instead?