This Whistling Explorer Ghillie Kettle is a very simple and ever reliable method of boiling upto 1ltrs of water quickly with minimum fuel cost. Ideal for adventure travel whatever your preferred mode happens to be. They are lightweight and reliable with the benefit of a whistle over the other makes of fire powered, volcano type kettles that are on the market. Simply pour Water into the kettle and put the whistle on. The doughnut shaped tube / chimney contains the combustible material that lies in the bottom of the pan on which the kettle sits. Once lit flames rise through the middle of the chimney and heat the water. The hole through the bottom of the pan allows more twigs, paper etc to be added and also allows oxygen to be sucked in as the flames rise. You can continue to add combustible items down through the center of the chimney if you need to. The whistle is a very good safety feature, this blows when the water reaches boiling point though you do not always need the whistle on the kettle. The Ghillie Kettle comes with full instructions. It is the only kettle on the market that has the whistle safety feature. Ideal for any number of activities such as overlanding, camping and fishing. Can be used in all conditions as long as you can light the fire: It is quick, clean and durable. Burns twigs, fir cones dry leaves, straw, news paper etc.