He nods.

"If you can't talk, and you might not be able to for one reason or another, you can use a gesture. Or we can have you hold onto something and you can drop it as a signal to me that you are not okay," he replies. "You're putting your trust in me. Therefore it's my job to make sure that you are properly looked after. You need to know and remember that, even in a dominant submissive scene, you are the one that is in control. Do you understand?"