“Next!” calls a voice, an upper-class, middle-aged woman by the sound of it. A hand in the small of my back pushes me firmly forward into the gloom. I advance, the click of my high heels echoing through the large space. As my eyes grow accustomed to the semi-darkness, I see a simple wooden chair, and stop by it, my hand resting lightly on the back. There is a distant “clunk” sound, and I'm suddenly blinded by a spotlight....