If you like cold brewed coffee, we're certain you'll love the simplicity of the Hario Mizudashi Cold Brew Pot (Brown.)
Simply load the fine mesh basket with ground coffee, add an appropriate dose of cool water, and store in the refrigerator for several hours.
 
Recommended Parameters to start: Add 80 g of medium-ground coffee and 1000 ml of cold water brewed for 18 hours in a refrigerator.