Ninjutsu Rocket Stove, Urban Survival Skill
This stove can be used by anyone in a war torn urban area, and also by anyone wanting to get off the grid. And yes, of course it can be used just for fun too! This rocket stove can be made very simply and within 5 minutes. It can provide warmth, cooking, and boiling of water, on just a few twigs, without it blowing out or giving away your position to the enemy.