... runs steady, convenience install and maintain. Simple looping embroidery(towel)embroidery,flat embroidery,sequin mixed type,not only has tridimensional ... embroidery of the chain stitch(towel embroidery),but also has the dual sequin embroidery abtained many patents,which is ... looping device is made up of air valve ,swing bar and presser foot ,which is fixed on the flat embroidery ...