Have you seen this? What a great idea!
“The Kelly Kettle®, also known as the Volcano Kettle, has been an essential piece of kit for Irish fishermen for generations. Quickly boiling water using virtually any fuel, the Kelly Kettle lets you enjoy a freshly brewed cup of tea or coffee in minutes rather than the stale version you can look forward to from a flask. Compact, durable and lightweight and can be operated with virtually any fuel: sticks, dry grass, heather, birch bark, pine cones, even dry camel dung!?d”