For roasting coffee beans and sesame. You can brew as small as you want to use, so you can enjoy the flavor of your ingredients while fresh. Just open the lid and insert beans and sesame into the container without any troublesome operation. The lid is mesh so you can check the roasting progress while shaking the container. You can also adjust the flow of your brewing by yourself. Enjoy your favorite ingredients, such as Ginko, almonds, walnuts, etc.