But Perez had plenty, as usual. “Think of… an emergency portable airlock. They’re old shit from the days when the ESA and NASA didn’t have the same docking ports. Some plastic as thick as a condom, a little foam to get it secure, and a prayer to your favorite god. But they can be pretty good for holding the door open, too. Lots of these emergency-type systems only measure pressure. Once we plug the hole, they think the job’s done.”