Contingency

It was last week that it happened, when I drove to my wife's hometown with my family. On our way, there seemed a car accident somewhere ahead of us. The express way got jammed. Then, as usual, I began to feel uneasy feeling a slight urge to relieve myself^^. But in the middle of the traffic congestion, I had no hope to find a proper place to fulfill my purpose. The thought made me near panicky with the urge growing bigger and bigger until I almost feel like letting fly from the car window (I didn't of course.
At such times, I am reminded of what a friend of mine told me a few years ago when I stayed in the US. It was called "Incontipants". Perhaps it is an abbreviation of something like "in-contingency pants", which I hope already gives you some idea about what it is like. You know, diapers for adults are not such cool commodity any more nor even a black joke stuff. Although it has got a proper civil right by itself it's still a banal idea. But Incontipants is unique. It is a pair of plastic pants you wear under your regular underwear pants, with pants legs that go down all the way to reach the ground. If you take a leak, carelessly or intentionally, your waste dribbles down the water-tight pants legs "safely" to the ground. So if you wear it, all you have to do is get out of the car, stand on a grass-covered field or on gratings over a trench, make face as if nothing was going to happen and relieve yourself. Are you worried about your shoes getting wet? No problem, it comes with shoes covers.
While driving a meter a minute, I thought about this ingenious product. At this impending moment, would I use it? I thought to myself "definitely No", imagining the feeling of lukewarm liquid trickling through the plastic pants legs. Any Japanese would not like to use it. Then, why do (did) they sell it in the US? Of course there are potential customers.
Nothing reflects the difference in mentality between two countries more. Hope you agree.
And nothing was more relieving than to relieve oneself at an official place after one hour of one's full bladder.
PS. to eager English learners. I used several words to describe a same thing without becoming child-like. "relieve oneself" "take a leak" "let fly" are nearly equal to urinate.