This spool cushion stabilizes thread cones during overlock stitching, preventing unwanted movement and ensuring consistent tension. Compatible with an extensive range of Brother domestic overlocker models, this essential accessory comes standard with most Brother units. The cone holder is used with large spools of thread and maintains thread control across all New Brother Overlock and Cover Stitch machines, making it indispensable for serious serger work. A reliable component for anyone operating Brother overlockers who demands precision and dependable performance.