Manufacture of bamboo containers, Pyang. The artisan drills a hole with iron needle to pass the choya (bamboo strip). The terracotta container on the right, where the hapa (bamboo sheet) are soaked before using them.

Source: Gerard Toffin. Pyangaon, Communaut ́e newar de la vall ́ee de Kathmandou which means Pyangaon, A Newar community of the Kathmandu valley: Material life. Paris: Editions of the National Center for Scientific Research. 1977.