At the closing night of For Film’s Sake festival 12 amateurs take to the all-women boxing ring, many of them film-makers with a personal crusadeIt’s Sunday night in Waterloo, Sydney. In an old warehouse, standing on a cold concrete floor, a crowd whoops and hollers as punches are thrown. In the ring are two competitors: mouth-guards in, boxing gloves on, hair slick and shiny with sweat.