Pour-over cones are simple coffee brewing devices designed to allow hot water to flow through coffee grounds and extract flavor. They are typically made of materials like plastic, ceramic, or metal and come in various shapes and sizes. The cone shape helps to direct water evenly over the coffee grounds, ensuring a consistent extraction. To use a pour-over cone, a filter is placed inside, and ground coffee is added. Hot water is then poured over the grounds in a controlled manner, allowing the brewed coffee to drip into a carafe or cup below. This method is popular for its ability to produce a clean and flavorful cup of coffee.