That tug surprises him and does leave a mark. He scrambles to obey, not giving a thought to refusing. That deep seated need to be controlled is climbing quickly to the surface and he wants to obey. Wants to please her.

He kneels on the cushion at her feet, looking up at her. From this angle and with the demeanor she's projecting, it feels natural to submit to her commands. They're definitely being watched now, but that concern's falling to the wayside. His focus is on only her.