I love breathplay but I’m actually not a big fan of throttling. It looks cool, but the the reality is risky, uncomfortable and hard to relax into. Squeezing all those delicate vessels contained in the throat is unwise and potentially lethal. If you’re vigorously fucking someone then grabbing them loosely by the throat is a wonderfully hot move. But if you’re trying to modulate oxygen then I think there are more interesting ways to achieve your goal.
It might seem less exciting than throttling, but try some saran wrap over the submissives face. Having clear plastic wrap gently kissed into place over my face has led to some of the great moments in my kinky life. It’s both sensual and incredibly evil. Each kiss seals the wrap closer and cuts off the oxygen a little more. Each breath warms the plastic wrap and makes it cling all the tighter. It’s not as visceral as a hand to the throat, but it’s way more effective and far easier to control.
I found this image on the I Crave Domination site. I believe this is originally a shot from the Men in Pain site.