Literature Reference: 唤人呈楚舞,借客试吴钩。—— 《杂曲歌辞 长安少年行》 Summon dancers to perform the Chu dance, lend guests to try the Wu hook. Source from 'Zaqu Geci: Changan Shaonian Xing'.
吴: The nation's name and the surname Wu. A metaphor for a high level and standard.
钩: Inquiry and exploration.
Meaning: Wu hook, a curved blade from ancient Wu, symbolizes bravery and boldness.