I nodded and opened my mouth to say something, but immediately it was filled for me, as Anne-Marie pressed a soft rubber ball between my teeth and buckled a retaining strap at the nape of my neck to prevent me spitting it out again. 'Oh, sweet, ' she trilled. She came around and knelt down, so that she was looking up into my face. 'I'll have to let you see yourself gagged, ' she said. 'A gag does make a girl's face look so gorgeous, I've...