Sequins are small, shiny discs that are sewn on clothes to decorate them. The frocks were covered in sequins, thousands of them. a small shiny flat piece of metal, sewn onto clothes for decoration sequinned (zecchino, from zecca , from sikka )
adornment consisting of a small piece of shiny material used to decorate clothing
It was first struck at Venice about the end of the 13th century, and afterward in the other Italian cities, and by the Levant trade was introduced into Turkey