When i used to stripe ram rods, I would put a small propane torch in the vice, flame pointing straight up, and just pass the rod through the flame while turning it (by hand). When i approached the end, i would stop, switch ends and pull it through the last few inches. The stripes where NOT perfectly symetrical but that was OK with me. I now preffer an all black (or at least near so) rod. I used black fiebings leather dye once and the rod turned out purple. Since i don't build for Royalty, I decided that a purple rod was inappropriate. Now, I just burn the whole rod and, while it's still hot, I rub bear grease over it continually until it cools. I'm not convinced that this is the best choice as I believe that charcoal is VERY abrasive. Try cutting fire wood from a firekilled stand and our chain won't last through the first tree. I like the tea/AF idea though.