You would never have imagined that a small angry hat could have such a fun design. As long as you pay enough attention, you can find where it can be made. In addition to the round and lovely design of the appearance, we also think about its integrity with the bicycle. Therefore, we adopt the reverse thinking method to design. When you look at it from a distance, it is like a cloud blown by the gas in the tire, so that this sense of misperception can reflect its fun.