Here’s a little light reading before you go strolling downtown: “Self-Defence With a Walking-Stick: The Different Methods of Defending Oneself With a Walking-Stick or Umbrella When Attacked Under Unequal Conditions.” It originally ran in Pearson’s Magazine in January 1901.
Apparently those things were pretty deadly: If you use your wrists and swing from the hip, “it is possible to sever a man’s jugular vein through the collar of his overcoat.”