Bohemian style was not really until the First World War that "many working women ... embarked on a revolution in fashion that greatly reduced the weight and restrictions imposed on them by their clothing". Some women working in factories wore trousers and the brassiere (invented in 1889 by the feminist Herminie Cadolle and patented in America by Mary Phelps Jacob in 1914) began gradually to supersede the corset. In shipyards "trouser suits" (the term, "pantsuit" was adopted in America in the 1920s) were virtually essential to enable women to shin up and down ladders. Music hall artists also helped to push the
Item number Khan performed an item number of sorts during the opening credits of "Kaal" but later had an item number in a truer sense of the word with "Dard-e-Disco" in "Om Shanti Om", where he was shot in a more typical "item girl" manner, with Khan wearing minimal clothing (though this number did have a connection, albeit tenuous, with the plot of the film). In "Krazzy 4", Hrithik Roshan has an item number during the end credits. Ranbir Kapoor made his debut in an item number in "Chillar Party" (2011); drawing inspiration from Rishi Kapoor's Qawwali song "Parda" from "Amar Akbar