You know rice balls are so popular in Japan. Rice balls are known for years and years, and they are necessary for our life.
The inside (ingredient) of rice balls are used be those: a pickled plum, flaked fish, sea weed, and so on. But there have been more kinds of ingredient now. For instance, karaage(chicken), ham, and cooked shrimp + mayonnaise, etc.
Do you think making rice balls are hard? If so, try to use a rice ball maker. Rice ball makers are already shaped for a rice ball, and all you do is to put rice and an ingredient you like and you will be able to make wonderful rice balls by yourself! It’s really easy!