Literature Reference: 潘岳双毛去值秋。—— 《赠别》 杜牧 Pan Yue’s double hairs depart with the autumn. From 'Farewell' by Du Mu.
双: Two, a pair. Symbolizing abundance. It signifies double happiness.
毛: Mao Li, or the brush pen, refers to the filamentous growth on the skin of animals and plants. It also denotes objects that resemble hair.
Meaning: Double hairs symbolize Pan Yue’s white hair, representing the passage of time and the vicissitudes of life.