Breath play is an umbrella term for any kink activity that deliberately restricts or alters a partner's breathing, ranging from light pressure on the chest or throat to breath holding, choking, or airway restriction.
For many people it is the intensity and vulnerability of the moment that draws them in, along with the deep sense of trust it requires; it often appears as a negotiated scene element rather than an ongoing activity.
Worth knowing: This is one of the highest-risk kink activities and can cause permanent injury or death, so it requires explicit prior consent, agreed limits, close monitoring of your partner, and never doing it alone or without a way to stop instantly.
Also called: choking, erotic asphyxiation, breath control, edge play, hypoxia play, air restriction