The BERNINA L25 Decorative Thread Guide for L850 and L860 machines is a specialized accessory designed to enhance your overlocking experience. It allows for the seamless processing of thick or stretchy threads, perfect for creating unique and decorative stitches. This thread guide is particularly useful when sewing wide and long stitches, making it an ideal tool for crafting decorative edges and flatlock seams. With the L25 Decorative Thread Guide, you can effortlessly add a touch of creativity to your sewing projects, expanding the capabilities of your BERNINA L850 and L860 machines.