Zhang Jian wrote enthusiastically of it in Chu Sai Qu (Ode upon Leaving for the Frontier), giving later generations an idea of the fine craftsmanship that went into these weapons.
「吳鉤刀」為戰國時期吳國的制刀，張柬之《出塞曲》寫道：「吳鉤明似月，楚劍利如霜。」