 On festival occasions, Tai women can wear an extra black dress, with an underarm seam or like a pullover which has an open collar, thus revealing the silver buttons inside.The black dresses are nipped at the waist, include large shoulders and decorative pieces of cloth that are attached to the underarms or to the front of the shoulders in a manner similar to the White Thai.Black Tai women wear the famous pieu shaw with colorful embroidery.