If you are reading up on the Honda CX500 clutch before opening up the bike you will likely see references to an oddly shaped clutch nut, which requires a special tool/Gator socket/modified pipe to do up or undo. So what exactly does it look like? Here’s a pic – it’s the nut in the middle, between the four springs:

We find that the King Gator socket works well for this and you can grab one on eBay. It is a generally handy socket to have for other oddly shaped or damaged nuts and bolts.
You may also be interested in the how to remove the clutch article.