ashamed/dark kink... That he has his hands stuck/tied, his eyes blindfolded and the partner on top who takes him hard, angry, and that he strangles him. Really suffocation game, then at one point he really strangles him and the submissive really thinks he's going to kill him, to make him understand that he is really his, everything, his whole life is only in his hands. And the worst is that it really excites him. After that it leaves him with pretty marks that he tries to hide