Explain how your most contributed thread is in the trattererer section.
@Hippoo is a wannabe tratterer, but he is too much of dirty phooofter bumderer to be allowed one.
I think they lead to the other end of the wires that the plugs are on.
Why don't you trace where they go to and report back. We may then have some idea what they may be for.
Maybe the couple on their phones were desperately trying to not catch your eye, so you wouldn't bore them to death with tales of how brilliant you are at everything and are the bestest ever, people often say how good you are, all the time, your...