Prevent skipped stitches on thick fabrics: The humpback jumper set includes a doublesize presser foot engineered to keep seams even and prevent skipped seams or missed stitches when sewing denim, canvas, and other heavy materials. Multitool presser foot combinations: This set combines an insurance foot, a button foot (for button attachment), and a lightweight fabric foot so you can switch between heavyduty stitching, button installation, and delicate fabrics without swapping several separate accessories. Quilting and everyday press foot included: A uniform quilting foot and a common press foot are part of the tool set, enabling smooth work on layered or thick projects while maintaining consistent stitch quality. Direct compatibility and easy installation: Designed to connect directly via standard machine adapters and widely used presser foot configurations, the humpback jumper set installs without extra components or complex modifications. Selfleveling, beginnerfriendly performance: The adaptive, selfleveling design maintains fabric contact automatically, giving stable feeding and even stitch formation without manual adjustments — useful for users to sewing or for quick setup. Key attributes Function: Prevents skipped stitches on heavy fabrics; supports button attachment, quilting, and lightweight fabric handling. Compatibility: Fits standard presser foot adapters and widely used press foot configurations (connects directly, no additional parts required). Size: Doublesize presser foot for improved support on thick seams. Performance: Stable, selfleveling contact with fabric for consistent seams across varying fabric thicknesses. Included tools: Doublesize presser foot, insurance foot, button foot, lightweight fabric foot, quilting foot, common press foot (as supplied in the humpback jumper set). Practical applications Repairing or hemming denim and heavy garments: Use the doublesize foot for smooth feeding across thick seams and hems to avoid skipped stitches. Attaching buttons on coats, jackets, and knitwear: Use the button foot for secure, even button placement without changing machines or adapters. Quilting and bag making: Use the uniform quilting foot and common press foot to stitch multiple fabric layers with consistent pressure and stitch quality. What you get A versatile, easytoinstall presser foot set from the humpback jumper collection that reduces stitching problems on thick fabrics, supports button attachment and quilting, and works with standard machine adapters for a straightforward, reliable sewing experience.