is the most famous product of Na Mun Si, a Tambon in Trang. Currently there is a women’s Na Mun Si weaving group that maintains the weaving heritage of the area. Visitors can see the road to Khao Chang Hai Cave, or about 5 kilometres on Na Mun Si Road. For further information, please contact the Amphoe Na Yong Community Development Office, tel. (075) 242431. About 300 metres away is the Tambon Na Mun Si Local Heritage Museum that is the local cultural centre to preserve local arts and handicrafts. Over 300 ancient utensils and artifacts are on display.