If you made a new account to view "age restricted" videos make sure to set your age on your accounts profile.

Categories

This is how you use the categories:

Simply choose your first category on the right.For example if I want to watch an ABDL video with a female in it and I want to see nudity I'd select (ABDL) Female (Nude), then on the top right there will be sub categories which are self-explanatory.