Why not? I use freshwater pearls as hub bearings. And fois gras makes a good wet lube for the chain in winter.
j
__________________
Cross Check Nexus7, IRO Mark V, Trek 620 Nexus7, Karate Monkey half fat, IRO Model 19 fixed, Amp Research B3, Surly 1x1 half fat fixed, and more...
--------------------------
SB forever