Said by: On the Balance of Ji Yan by Han Wang Chong: "Guang Wenbo was born, and someone called his father's name from the crack of the door, but his father responded, but no one was there. A wooden stick was inserted at the door. "

Another explanation: a dialect in Linyi, which means arrogant, bold, and constantly remonstrating, generally evaluates young and energetic people.

Generally speaking, wooden sticks are exclusive to the elderly. When the elderly reach a certain age, they will rely on certain foreign objects to help them walk, and curtains are one of them. In ancient times, the technology has not developed to the present. A wooden stick is a tool for convenience or customization to help them walk normally.