Sometimes you want a warm butt NOW, so this outdoor/weatherproof rocket heater we built at Wheaton Labs in Montana (not a rocket mass heater) uses partially buried 50 gallon steel drums bent in a U shape to make a "bell bench" that warms up immediately and evenly. Join us at Patreon.com/unclemud for more mud and fire fun.<br />...<br /><a href="https://www.youtube.com/watch?v=1gQWoY7rkfs" target="_blank" rel="nofollow">https://www.youtube.com/watch?v=1gQWoY7rkfs</a>