Train to Jaipur, and a blind vendor saunters through, selling cards, inflatable pillows, chains, locks, toys, you-name-it. What we do name is nailclippers, which we have foolishly forgotten to pack. He promptly reaches down to a specific spot in his array of wares and pulls out two or three for us to examine. How does he do that?
Anyway, we choose one. Ten rupees, he says. It later turns out to be so blunt that he should have paid us ten rupees to take it, besides which my fingers still hurt from being mauled by this instrument of torture, but I won't mention all that.
We give him a ten rupee note. He sniffs it, feels it, then turns to a guy in the next compartment and asks, "Is this ten rupees?"
The guy in the next compartment nods his head, then realizes nodding won't do, so says "Yes."
Then he buys something and hands over a note. Will the guy ask the next guy over to confirm its authenticity? And the fellow after that ... ? Does the vendor cascade like this through the train?