... sequin pattern: stacking sequin, one needle sewing one sequin or one needle sewing N sequins, sewing two needles for one sequin or ... needles for N sequins or several needles for N sequins..Sewing Specification: circular sequin, square sequin, star sequin, diamond sequin ... , pet knitting straps and case knitting straps etc. Sewing sequin on various cutting sheets. Sewing thickness: 3mm-4mm-5mm-6.75mm