The DY123 double folder is a sewing machine accessory designed to deliver a clean, professional finish on binding. Its dual-fold function creates a precise top and bottom edge in one operation, reducing manual work and improving seam appearance. Key benefits - Clean, even binding on both sides for a polished look - Consistent folds that enhance overall sewing quality and durability - Time saving by completing double-fold bindings more efficiently - Specifically designed as a sewing machine accessory for use with compatible machines Size option - Comes in a 30mm option Ideal applications - Finishing quilt bindings along outer edges for a neat, durable edge - Binding garment hems with a crisp dual-fold finish - Binding bags, home decor, or other fabric projects that require strong, professional edge finishes Performance and compatibility - Engineered to fit as a dedicated sewing machine accessory and designed to optimize binding results on compatible machines - Helps achieve a high-quality appearance with minimal manual folding effort