Pocket hand towels
Stepping out of the bathroom with dry hands will get you a couple of hostile stares. Walking out with sopping-wet hands is kind of nasty. If you have towels hanging out of your back pockets to dry your hands with, people might raise a few eyebrows, at least outside of Japan.
Now, you’re probably wondering why they don’t use paper towels or hand dryers. Though these are common in Japan, wiping your hands on your pants is common in men all over the world. You’d think these hanging hand towels would be available everywhere, but here we are.