Hello, I have recently bought a knitted tie for a formal event coming up. It is basically a group of friends going to a place where they take pictures for graduation. It is considered a formal occasion. I got my suit ready but I am not sure if knit ties would be appropriate. I read online that knit ties are casual yet you can still wear it to formal occasions but not job interviews, etc.. May I hear your guys suggestions please? I have zero fashion sense.