I've had leather from W&C split and buffed. The buffing is kinda like it sounds. They sand the flesh side a bit so it's not that fuzzy. It's a little less rough than normal but not a whole bunch less. Keep in mind that W&C can "refinish" the flesh side. Since their leathers are not struck through with dye, when they split the leather, the flesh side becomes lighter in color. When they refinish, the can respray the flesh side with dye so it matches the grain side. This is only important if the the flesh side will be seen I guess.
Andrew