For years, Egyptian women have put up with sexual harassment, simply for walking down the street. Now they are coming out into the open to say 'enough is enough'. At a rally in Tahrir Square last month, female protestors came under attack. Water was thrown into the crowd in an attempt to repel the mob of men who were groping women and trying to remove their clothes. An anti-harassment demonstration became itself a target for harassment. What used to be a silent shame has now been thrust into the open, with exhibitions and events. The revolution in Egypt has raised the expectations of many women. Al Jazeera's Jacky Rowland reports from Cairo.