Notice it is worn by school and university students and government office workers. A vast choice of phaa sin, shawls, bags and jewellery can be found in the morning market and around Vientiane. As well as traditional Lao weavings, you will find hill-tribe embroidery, wall hangings and quilts. The inherent art-form of weaving has been practiced in Laos since the 14th century; subsequently it has attracted the attention of affluent and educated western based weavers who have descended on Laos to re-establish the trade that dwindled so rapidly under the Communist regime - the vast majority of which operate on a fair trade basis, working to increase sustainable development within the country.