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Hand tremors usually happened in elderly people, or some special diseases such as Parkinson’s disease or elderly people. The one shake is designed to prevent elderly eat too much seasons so that cause their health. The first second, seasons will come out. The next second, the export will be automatically closed. Or, if you want more, just let One Shaker place on the table. Some elderly people because ages make their feeling degeneration. The one shaker can tell users how amount of seasons have they open by touch and sight. To sum, The one shaker is a product that care about user’s health.