I carry my Executive down in my RF pocket along with other stuff. The lube I've been using for it is White Lightning. The WL tends to make it a little easier to clean the crevices (though not 100% clean) because when it dries, it tends to clump up the dirt/lint in the moving parts. Then these clumps can chip off or be cleaned out w/the toothpick. It's best to apply it occasionally to the moving parts, wipe off the excess, and let it dry overnight. I also get a lot of fingernail dust in the channel where the nail file and scissors fold, and I use some kleenex and the tweezers to wipe that out. But it's never completely clean, and that's fine with me, it's just a fact of life for my SAKs. My Executive's black handle scales are pretty scarred up, as any SAK carried loose in the pocket will get after years of carry. The scratches and such give it personality. It's a tool that is used daily, so I never worry about anything beyond that.
Jim