Most of the time, sexual situations take place in such a way that you can see what is happening. We feel safe about it. There are practices in which you intentionally temporarily blind yourself, for example with a mask or bandage, to get your partner to feel more and see less.

The linked picture is exciting for me because she agrees to this situation, she voluntarily enters this position and the device. But then she can’t control it anymore. Situations like this are much more extreme for us, regardless of whether something extreme happens or not. The sheer ability to walk away whenever it suits us is an important anchor for well-being. That’s why these practices can only be done by appointment, but under the right conditions they are incredibly attractive.

source