The thread shrinks but The material would not, creating a controlled puckering. The resulting wrinkled influence is gorgeous and uses for it are limitless. No Exclusive iron or needles are required as well as the embroidery is often sewn on any sort of embroidery machine. A person spool per pack. https://rubber-covered-yarn11096.ourcodeblog.com/32441100/detailed-notes-on-double-covered-yarn