Janome acufeed 14 inch seam foot straight stitch needle plate a popular foot with patchworkers for that essential 14 seam the guide on the foot enables you to sew a perfect 14 seam every time while the accufeed system guides your fabric precisely from both the top and the bottom the small hole in the needle plate helps support the fabric preventing it from being pushed under designed to work with the janome memory craft 6600 professional and the janome memory craft 7700qcp acufeed sys