Thread: _Must_ scales be removed for proper cleanup of handle and tang?

Hi all, newb question:

The sticky on "How-to" didn't mention any way of cleaning rust from the handle, jimps, and tang without removing the scales, and I'm hoping there's a procedure for arresting rust development in these areas without completely disassembling the razor. I inherited this piece from Dad, and would like to keep it as-is if possible. If I _have_ to take it apart I'll do that but if you have other suggestions that'd be great. The rust on the jimps and handle is fairly thick, while the section of the handle covered by the scales at the pivot pin looks more like "gunk". I've attached photos, any advice is appreciated.