How to sharpen a knife with a DC4. This video is all about how to sharpen a knife with a DC4. Keeping your bushcraft knife sharp is very important. Keep it sharp with a DC4 when you're out in the woods. A sharp knife is so important and a DC4 is a great way to keep it sharp. Knowing how to sharpen a knife in the woods will help you keeping carving and crafting for so much longer. See how to sharpen a knife with a dc4 here. Subscribe for more Bushcraft and Wilderness living videos: null