With 700 or so members you might have a similar number of opinions, but here is mine.
When rebuilding a clutch I clean and deburr the plates so they do not stick. I take an old short bristle stiff paint brush and work some Rocol Dry Moly Paste into the bristles. I then use the brush to smear on a very thin coating on the drum clutch slots and the centre boss slots. As regards the roller track, I do the same. For the rollers I squeeze a bit on to my fingers and take the dry rollers and roll them in my fingers so they all have a smear. The dry moly is quite stiff and if used sparingly, it lubricates very well and does not migrate and contaminate the clutch plate friction surfaces. It works for me—-