EcoZoom Pot Skirt - Power Ring Versa and Dura - Increases Efficiency by 25%;

The Power Ring forces the heat to be transferred from the combustion chamber of the stove to not only the bottom of your pot/pan, but also to the sides of your cookware. When fastened to your pot or pan, the Power Ring increases the efficiency of your stove by up to 25%, meaning you use less fuel while maximizing your heat transfer. Simply fasten the metal ring around the bottom of your pot or pan before setting it on top of your stove