Well since this has been already buffed you can look for a razor edge muslin buff and other similar buffing wheels, a tapered spindle will need to be purchased for the wheels
(only need one, unless you really like them for quick changes) at K&G
http://www.knifeandgun.com These will help you get into a tight spot, especially if your buffer is going too fast, IMO anything over 2,000 RPM is too fast, the bigger the wheel, the more surface it covers. As you gain experience, you'll have less problems. I like pink scratchless after my white rouge in many cases.
Last but not least, get
ALL the catalogs you can.
K&G, Texas Knifemakers Supply
http://www.texasknife.com Jantz
http://www.jantzsupply.com Sheffields
http://www.sheffieldsupply.com and I can give you good informational links if you need them.
Good luck!
PS: Exactly my thought moss, but since the knife sounds like it has visited the buffer already, I thought I'd give my 2 cents. I contemplated answering this yesterday, but got very busy.

I have never buffed a used knife, so this is new territory for me. I did look up the razor edge wheels in the K&G catalog, they will get to within 1/8 inch of a tight spot.