‘My, that was careless,’ he said. ‘You let the card drop. I think this means you need some serious training.’ He unlocked the handcuffs, then, putting his hand on the back of her neck, he pushed her down on all fours. He wound the chain round his hand a couple of times to take up the slack and pulled it tight. She grunted through her gag. ‘Now,’ he said, ‘we are going walkies. From time to time I shall issue a command. On the word “heel” you will stop and rest back on your haunches, hands behind your back. On the word “down” you will kneel in the submissive position. On the word “beg” you get up on your knees with your hands either side of your face, palms outwards, like a little dog begging for a biscuit. You won’t get one but you’ll get something else if you get it wrong.’ Suddenly he