What is the most popular type of fetish chat?

The most popular kind of fetish chat is probably BDSM chat. BDSM consists of all sorts of activities, from Dominance and submission, to sadomasochism, chains, and role-playing. Individuals who are interested in BDSM chat can discover all sorts of kinky people to chat with, from those who are simply wanting to explore their kinky side, to those who are knowledgeable players in the BDSM world.

There are all sorts of BDSM chatroom available, from ones that focus on particular fetish interests, to more general BDSM chat spaces.  https://sendtomark.co.uk/?p=703 There are even chat rooms that accommodate particular functions within BDSM, such as submissives, Dominants, switches, and so on. Whatever your kinky interests, there makes certain to be a BDSM chat space out there for you.