Literature Reference: 少年飞翠盖，上路动金镳。—— 《杂曲歌辞 少年子》 The youth flies under emerald canopies, setting off with golden bridles. Source from 'Miscellaneous Songs: The Young Master'.
金: Gold, the precious metal. Symbolizes the prosperity of wealth and abundance.
镳: The exposed ends of the bit held in the horse's mouth.
Meaning: The golden bridle symbolizes nobility and glory, signifying the youthful vigor and a bright future.