The flint knapping acquired its technical perfection in the Solutrean period - 20.000/17.000 BP-. The technique allowed to get many elongated and thin blades of each block and to do, with every one of them, the most suitable tool for their needs. It is in these moments when points of great beauty are created, with varied forms and different size, designed to be attached to a shaft to create a javelin. These javelins are associated to a remarkable invention: the spearthrower, a hand lever that allowed greater distance and accuracy in the hunting.