5 ms·But then, people will bring shampoo on flights.by ruttiger 13y agoBut then, people will bring shampoo on flights.nealabq 13y agoOr worse, joke about bringing shampoo on flights.ibisum 13y agoOr worse, actually bring large quantities of Mercury onboard the airplane, disguised as shampoo, and then use it to melt the plane away in-flight ..