Asahi Silky Former The Silky Former with ultrasonic function is a special former for Super Dry and Asahi The Dream, which creates high-quality foam at sub-zero temperatures. By attaching the aluminum battery, which has been frozen in the refrigerator, to the can holder and inserting a well-chilled canned beer, it is possible to cool the beer to sub-zero temperatures. It is a Silky Former with an ultrasonic function that creates silky foam. For 350ml cans Everything in the image is included. Since it is a used item, please understand and consider purchasing.