Smocking stitches are performed with regular embroidery thread. On silk garments use silk thread and on cotton material use cotton thread. I like to use Pearl cotton thread for smocking as it's a nice sheen to it and the two ply thread is thick enough to get noticed. I have https://rubber-covered-yarn11087.blogozz.com/31052464/how-much-you-need-to-expect-you-ll-pay-for-a-good-smoking-thread