Check out this great article: 10 Ingenious Ways Booze Was Hidden During Prohibition
The old "alcohol-in-the-cane" trick ;)
Here are four examples from the list:
The Hollow Cane Trick
The Library of Congress labels this one "Woman seated at a soda fountain table is pouring alcohol into a cup from a cane, during Prohibition; with a large Coca-Cola advertisement on the wall, 2/13/22."
So-called "flask canes" or "tippling sticks" are still a thing, even in the booze-soaked wonderland of 21st century America. One site even targets veterans by putting seals from the various branches of the US military on top of the cane. War is hell, after all, so who are we to judge?
The Booze Mule Trick
From the Walter P. Reuther Library at Wayne State University, this circa-1920s photo depicts a man showing off his trick for transporting booze throughout Detroit. He reportedly only showed this to the press, for obvious reasons, and remained anonymous.
A shocking 75% of all the alcohol smuggled into the US during Prohibition crossed the border at the so-called "Windsor-Detroit Funnel," the nickname for waterways between Michigan and Ontario. By 1929, the second largest industry in Detroit, believe it or not, was "rumrunning," which netted $215 million per year.
The Bootlegger's Life Preserver Trick
Jennie MacGregor was arrested by federal agents in Minneapolis on April 10, 1924 for this audacious get-up that dispensed "wet goods." It was known, according to a note on the back of the original photograph, as a "bootlegger's life preserver." The New York Times purchased the photo 10 days later and published it in their weekly Mid-Week Pictorial under the caption "A Perfect 36."
(David Dunlap of the Times' "The Lively Morgue" blog guesses this was a reference to "Tennessee, the 36th state to ratify the 19th Amendment, granting women’s suffrage?").
The Thigh Flask Trick
"Flask" might not be quite the right word for these behemoths. The original 1928 caption called them "tins" concealed by a "floppy overcoat." No word on how exactly these were held in place, but it they were full, they must have given this young flapper quite the workout.