Vanya has a tight grip around Her subs neck, compressing his throat, right where the jugular is. She's restraining him in a variety of ways, by using her hands and arms, restricting his ability to get sufficient oxygen, until he chooses to either tap or nap. He's trying to increase his stamina, seeing how long he can withstand the pressure, without giving in or giving up. Watch and see how he does.

Vanya has a tight grip around Her subs neck, compressing his throat, right where the jugular is. She's restraining him in a variety of ways, by using her hands and arms, restricting his ability to get sufficient oxygen, until he chooses to either tap or nap. He's trying to increase his stamina, seeing how long he can withstand the pressure, without giving in or giving up. Watch and see how he does.