Soapberry (Mukuroji) Seeds, Pre-drilled 108 pieces + 10 pieces The black, hard balls attached to the shuttlecocks used in the traditional Japanese game of hagoita are the seeds of the large soapberry tree, also known as "mukuroji." The name implies "children will not suffer, will not get sick," which is the origin of the belief that hagoita serve as amulets for good health and well-being. There is also the following episode about the Buddha and soapberries: "If you wish to cut off earthly desires and suffering, pierce 108 soapberry seeds to make a rosary, always carry it with you, and recite the names of the Three Treasures of Buddhism – the Buddha, the Dharma, and the Sangha – one by one with all your heart, whether you are walking, sitting, or sleeping." The Buddha made a rosary of 108 soapberry seeds and gave it to Yakushi Nyorai, Dainichi Nyorai, and the Ten Great Disciples. It is said that the countries that received these rosaries became peaceful, and soapberry rosaries are known as lucky charms.