"See? You can mix pleasure and pain and it's a good way to break a sub down. Get him to that sweet spot," he said. "But you have to be careful." He turned Danny again and moved him back to the frame, then pushed him over. "You have to be smart about how you hurt your sub. Even a spanking can be too much with these on."

He bent Danny and delivered a swat and the force of it made the chain pull hard.