The lava plates, from the quarries at the heart of the lava flows of the volcanoes of Auvergne, serve as support for decorations made with enamels. These decorations, obtained by a meticulous brush application, then went to the oven at 980°. The objects thus realized are unalterable, they are house entrance plates, street numbers, decorative objects, under dishes, mirrors, candle holders.. etc The visit of the workshop allows to understand the stages of manufacture, and to have an overview of the possibilities offered by this craft