覆毡.《北史·陈元康传》:东魏时,陈元康跟随高欢出征。当时天寒地冻,大雪纷飞,连笔墨都会结冰。一次,需要陈元康急草诏书。他便叫人举起一块毡子挡住雪花,自己奋笔疾书。结果不等毛笔上冻,他就写好了几张文稿。 Cover blanket. “History of the Northern Dynasties Chen Yuan Kang”: the Eastern Wei Dynasty, Chen Yuankang follow high Huan expedition. At that time, it was so cold and heavy that snow and ice would freeze. Once, Chen Yu Kang emergency imperial edict. He asked people to raise a felt to block the snowflakes, and he worked hard on the book. The results ranging from brush on the cold, he wrote a few documents.