Final answer:
The statement in question is false; 'The Wizard of Oz' in 'Tough Guise' isn't a metaphor for men disguising their vulnerabilities but is an allegory for the Populist movement and political concerns of the late 19th century.
Step-by-step explanation:
The statement that 'The Wizard of Oz is cited in Tough Guise as a metaphor for how men wear a mask that disguises vulnerabilities' is false. Instead, The Wizard of Oz has often been cited as an allegory for late nineteenth-century politics and the rise of the Populist movement. L. Frank Baum's book published in 1900 used characters to represent various aspects of American society and politics.
The Scarecrow represented farmers, the Tin Woodman symbolized industrial workers, the Cowardly Lion was associated with political leaders, and Dorothy embodied the pure American spirit and the strength of Populism. The yellow brick road and the silver slippers—changed to ruby in the film—were symbols of the gold standard and the Populists' goal for free silver, respectively.
Baum's intent was to use these characters and items to portray the economic and political issues of his time, not as a representation for men hiding their vulnerabilities.