Interesting thought. I can see how this might work with my situation, where I’m balancing “urban” PSK on the one hand and “woods” PSK on the other… I could have a “Core” PSK, with the essential items common to both, and add-on modules… say, radio, reading glasses, and money in the “urban” extension, and … what? More cord, more firestarting stuff, more signaling stuff in the “wilderness” extension. I’ll give this some thought.<br><br>On the other hand, I’m pretty skeptical for those facing the airlines. It seems to me that their enforcement is so uneven, arbitrary and unpredictable that you mostly end up with a kit gutted of a LOT of items that you’d want with you anywhere else. Needles, razor or X-acto blades, firestarters (you may want to try to get on a plane with an “incendiary device”- that’s what Dan Rather is going to call it when they show you being spirited away in handcuffs on the evening news- I don’t), any metal tools, fishhooks, P38 can opener… it comes out to about half or more, I think. You can probably get away with a compass (I’d go with a dial rather than a needle, just in case), a disposable lighter (?), a tiny flashlight, a few other things, but not enough to justify a “module”, I wouldn’t think.<br><br>Note that the airlines are being sued because they forced some passenger to drink untreated, unfiltered creek water samples that he needed to carry on because they were too fragile to check, in order to “prove” that it was harmless. Take another look in that box. Whatever really happened today in Milan, it’s not going to make it better. <br><br>Not saying that the modular idea doesn't have merit, just that I think facing the airlines is pretty much hopless.<br>