Title: Namazu hyôtan kintama Description: Catching a catfish with a gourd NOTE: In Zen Buddhism, a kôan is a difficult question to ponder as an aid to meditation. Well known kôan include: What is the sound of one hand clapping?; When a tree falls in the forest and there is no one to hear it, does it make a sound?; and How do you catch a catfish with a gourd?