I will have to try these out with my Japanese co-workers, see if they’re accurate or still used. Somewhere buried in the slew of boxes tucked away for Operation: Alexandria (soon to be happening again) is a book I bought on gestures around the world. I was most curious over such things because Doc scored a copy before he left for Japan in 1996.
The Guardian has another quartet for the Arabic world but it lacks one from my book, how to give “the finger” over there which isn’t too different from how we Westerners do it.