Also as "Lo Wa." Siluo system of socks. Han Zhang Heng "South Ode": "repair sleeve wind around the Man Ting, Luo Rong and socks and gingerly tread." Sanguo Wei Cao "Lo River": "Ling wave micro-step, Luo Wa Health and dust." Sushi Song "Dongting Lake Spring Fu" : "Lo socks shocked the dust flying, loss of the arched sleeve movements." Lu Xun "Supplement to the Press set outside the set": "Recalling the situation suddenly pro-scorched earth, the paradox see Lo socks cover sing marks."