A stiff rod will demand lots of power of the fisherman, while actually less power is put on the fish. In comparison, a deep bending rod will demand less power from the fisherman, but deliver more fighting power to the fish. In practice, this leverage effect often misleads fisherman. Often it is believed that a hard, stiff rod puts more control and power on the fish to fight, while it is actually the fish who is putting the power on the fisherman. In commercial fishing practice, large fish are often pulled in on the line itself without much effort, which is possible because the absence of the leverage effect.