'And a little propulsion system as well' You do such, keeping all your spacesuit equipment on because you doubt that this bag will stay sealed. They zip it up, and you can\'t hear anything but a few noises. You reach over, unclip the foamer device, and hit [DISPERSE] In a few milliseconds, the bag is filled. Jeb and co stick the propulsion device on (a rather small but clearly antimatter operated booster, with no stabilization). Instead of going out the airlock, you are stuffed into disposal chute 1 for a quicker departure.