This foot uses a spring to ensure the lines in your free-motion quilting stay straight, even on fabrics of uneven thickness.  

Fits on models: Accord, Allegro, Amelia, Audrey, Aurora, Aventura, Aventura II, Bloom, Brilliant, Decorator's Choice, Elizabeth, Ellure, Ellure Plus, Flare, Flourish, Flourish II, Intrigue, Jazz, Jazz II, Jubilant, Katherine, Lyric, Melody, Preso, Presto II, Quilters Choice, Soprano, Tempo, Xscape, Vesta, and Verve.