红藤杖(杖出南蛮)
红藤杖(杖出南蛮) Red walking-stick or cane made from a rattan stem Stick out (originally) a sarcastic remark by Mencius about Xu Xin, a southerner-- those who speak a different tongue than one's own

诗人: 白居易 Bai Juyi
  南诏红藤杖,西江白首人。时时携步月,处处把寻春。
  劲健孤茎直,疏圆六节匀。火山生处远,泸水洗来新。
  粗细才盈手,高低仅过身。天边望乡客,何日拄归秦。