ゴム紐の事で困り事等がある場合は、何でも気軽に質問・ご相談ください。 One covered yarn requires wrapping just one layer of masking yarn close to a Main yarn, generally spandex. This method brings about a yarn that gives average elasticity and strength, which makes it suitable for various purposes. Air covered yarn utilizes the theory of compressed air to intricately entangle https://matta195suu4.wikiinside.com/user