First you get the dynamite. You can buy it openly and without any paperwork for about a dollar a stick.
This neighborhood in the Bolivian city of Potosí is one of the only places in the world where such a transaction is legal. Dynamite is a common workplace implement here. So is booze. You have to buy that, too—preferably the purest kind, even to the point of flammability. A brand called Ceibo, named for a type of flowering tree, does the job. The liquid is colorless and burns the esophagus going down. A few swigs will intoxicate . . .