Close. The newly-developed CC4 whetstone consists of a super fine ceramic stone (white side) (0,1 micron) and a ceramic stone, made of synthetic sapphires (dark grey) (1 micron). How would a fallkniven Dc4 and CC4 work for a field sharpening system? You don’t need any lubrication for these stones but now and then you should consider cleaning them with water and liquid soap. Posted by 10 months ago. How would a fallkniven Dc4 and CC4 work for a field sharpening system? Archived . I’m going to be doing some hunting and a lot of outdoors stuff this summer and want to invest in a good field sharpening system for my enzo trapper 95 in O1. 1. A leather pouch is included. Filipino Cooking Channel and Filipino Fitness 8,087 views Fallkniven CC4 sharpening stone review ( comparison between Fallkniven CC4 and DC4 ) - Duration: 7:04.