The best known pottery work is done in Amatenango del Valle, and it has become a main source of income for most of the town's Tzeltal inhabitants. For the most part, oOnly women are potters, with girls learning the craft by about ten years of age.[12] Men in the town do participate in the process, such as bringing the firewood used for firing pieces,[12] but their main role is in its commercialization, which they control.