As a genre, martial arts films have played a vital role in empowering the underdog
		
	 
	
		
			
				
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			 / 21 February 2012
			
		
		In a country where women’s rights — including what they wear — are severely curtailed many have come up with a new way of channelling their rage
		
	 
	
		
		Electrically charged knives hum and crackle as two fighters circle each other on the gym floor, slashing and kicking out.