This is a rare erhu bridge made from wood harvested from furniture used in the Ming Dynasty imperial palace, with the head of the bridge made from this wood and the base made from "pine knots" of "old pine" trees over a hundred years old. It is characterized by a gentle and calm sound quality. ＜Sound Characteristics＞ It has a withered, tasteful quality and a rich tone that makes the high notes stand out. ＜Sound Tendency＞ It tends to "deepen and enhance the flavor of the sound." Suitable for those who want to strengthen the mid-range.