Literature Reference: 襟袵怀旧识，丝竹变恒陈。—— 《太常观阅骠国新乐》 With thoughts of old acquaintances in the lapels, the music of strings and bamboo changes eternally. Source from 'Tai Chang Guan Yue Biao Guo Xin Yue'.
襟: The chest area of the garment.
袵: "Same as '衽'."
Meaning: The lapels symbolize nostalgia and emotion, expressing a deep yearning for past friendships.