What does it mean that "hands can write plum blossom seal"

Both hands can write plum blossom seal script (operation mode: hold the pen tube with both hands and write a seal script, because the ink is spilled a little, if it is plum blossom-shaped, it is commonly known as plum blossom seal script);

Mei Xi's development has experienced seven generations of ups and downs. As early as the Shang Dynasty, the ancient pottery was engraved with the plum hieroglyphics "There is no Amitabha in the south"; Mei Xi's words in Han Dynasty have become a good collection, and the famous calligrapher Lin Hejing once left a famous post "Knowing Pang Zeng's resistance to extremes by storing a bow"; When Li Shimin, king of the Tang Dynasty, ascended the throne, there was a "plum blossom warrior" in Beijing, and the imperial seal was stolen, leaving three plum blossoms. The emperor was furious and ordered all those who could write plum blossom seal script to be arrested; It was not until the Yuan and Ming Dynasties that the light of day was seen again, but by the end of the Qing Dynasty, this art form was gradually lost. Historically, "Plum Blossom Seal" experienced ups and downs in Shang, Han, Tang, Song, Yuan, Ming and Qing Dynasties. As early as Shang dynasty, ancient pottery was engraved with plum hieroglyphics. In the Han dynasty, plum blossom seal script became a good collection. Its characteristics are "look at flowers from a distance, look at characters from a distance, there are words in flowers, there are flowers in words, flowers and characters are integrated, and the font is strong". The ancient people's habit of loving plum blossom and worshiping Chinese characters endowed "Plum Blossom Seal" with vigorous and elegant cultural connotation, and also made it a living fossil for studying ancient calligraphy in China.

As the only "inheritor" of plum blossom seal script in China, Wen's plum blossom seal script has been exhibited and collected in many countries such as Singapore, Japan, Brazil, the United States, Canada, France, South Korea and Vietnam. Wherever he went, the local audience was surprised and admired by the ancient calligraphy culture in China.