The mixer is a default feature, right? Because I didn't see the option to enable it.
If I can give a suggestion: the site is easy to understand and easy to use. It literally take few seconds to register. But the user interface really needs to be improved to make it more professional (don't take it wrong, I don't know to do better, critics can be constructive)

@OmegaStarScream

IPs are stored for 30 seconds only