What about coming down Black?If you really want to hit all the goods in that area and demoralize your friends with a masochistic amount of climbing then give this loop a try. It took me seven hours, including stops, in warm weather.
Park at Horse Stables.
Up Clawhammer.
L on Black.
L on Avery.
R on 477, ride past Bennet Gap and continue on 477.
R on Club Gap.
R on Buckwheat Knob.
Cross 477 onto Bennet Gap.
L on 477 back to Horse Stables.