Toutool Carbohydrate Cut Cookvery Used 1-2 times. No instruction manual or box included. Will be disinfected with alcohol before delivery. No pets. How to use: (1) Add 80ml of water to your usual amount. (2) Before cooking rice, submerge the Tou Tool horizontally in the water. (3) After cooking, sugary white water will accumulate. Let it cool for a few minutes. (4) Simply discard the water that has accumulated in the Tou Tool. *Please use a rice cooker with an inner diameter of 20cm or more.