At Herng Fa, our SCY can be tailored to fulfill certain consumer needs. The customization selections incorporate deciding upon different principal yarns (like purposeful yarn or shade yarn) and matching yarns (functional yarn) to build special SCY with possibly S or Z twists. The Z twist requires a clockwise switch, https://angelovqkpq.theblogfairy.com/31060643/the-2-minute-rule-for-covered-spandex-yarn