Given that the demand for high-efficiency textiles carries on to develop, suppliers and scientists are continuously pushing the boundaries of rubber covered yarn technology. Preshrunk/ prewash the fabric before smocking. It is actually accurate that unwashed fabric seems very best when smocked but shrinking of cloth can be a possibility. https://covered-elastic-yarn04681.bloggactif.com/33782668/top-guidelines-of-rubber-covered-yarn