The practice dates back to the time of the Spanish Inquisition in the 1500s. A tightly bound prisoner has porous cloth placed over his mouth and nose. Water is poured over his face in such a manner as to convince the prisoner that he is drowning. | The practice dates back to the time of the Spanish Inquisition in the 1500s. A tightly bound prisoner has porous cloth placed over his mouth and nose. Water is poured over his face in such a manner as to convince the prisoner that he is drowning. |