Duh. They sterilized themselves in order to remove risk of pregnancy from their Bone-Dome parties. They have a MUCH more advanced culture than our own. We have a lot to learn...
Well then the answer is obvious. You need a spider-web scalp tattoo.
Or you could become a Maori lawyer
The world is your oyster now, you beautiful bald bastard!
I just hope they introduce a believable in-universe game mechanic to explain the need for this. Something Like how kill-codes can be transmitted by the manufacturer that will disable ships that were reported stolen. If that is part of it, then I am okay with that approach.