... 4.Japanese rotary hook . Mingdao Sequin Embroidery Machine adds function of sequins embroidering based on normal ... machine , now Mingdao sequin device embroidery machine have single sequin ,double sequin , three sequin , four sequin .sequins machine ... install sequin machine , double sequin two sides install machine . dual sequin install machine ,three sequin install machine, Korea sequin machine . ...