Praewa silk fabric with 12-arm Naga pattern is the most difficult pattern in the most important position of the traditional Praewa fabric. In ancient Praewa cloth, the middle of the fabric is called the belly pattern of the fabric. or Praewa's belly pattern.The 12-arm Naga pattern is usually placed in the middle.In weaving of Prae Wa with 12-arm Nak, the pattern must keep the head of the Naga as many as 12 heads or 12 arms.Most of them are very difficult patterns since the weaving pattern is kept in the middle of the fabric to be the main pattern. Knitting silk in weaving the 12-arm Naga pattern requires more precision because the Naga body is more than the general Naga pattern