Some pin-on hooks have just one sharp prong, Whilst Other folks have two. Some even have four prongs. The 4-pronged process helps make pleats in normal curtains that would not have pleats woven to the header. Pleat hooks are also called prong. These instruments work with pleater tape sewn in https://what-type-of-curtain-hook96417.azzablog.com/29499035/the-2-minute-rule-for-types-of-curtain-tie-backs