1400 Hand-Appliquéd Clamshells and it Wins Best Sewing Machine Workmanship Cindy Seitz-Krug 10 Cindy Seitz-Krug's quilt, Oh Be Joyful!, won Best Sewing Machine Workmanship Traditional at the Pacific International Quilt Festival 2018. The quilting is stunning, but we were equally impressed with the 1400 hand-appliquéd clamshells.