MAsT (Masters And slaves Together) is a US-based organization for adults who live a D/s lifestyle. More than 20 local MAsT chapters exist around the US, in gay, gay & lesbian or pansexual formats.
Some MAsT meetings are held according to a D/s protocol, and the lowercase "s" in the name reflects this.
- MAsT International - with news, history and links to local chapters.
- MAsT NYC Metro - a pansexual chapter in New York.