Janome 1/4 Inch Ruler Foot for High Shank, Low Shank or Straight Stitch 7mm/9mm. The perfect foot for sewists who work with rulers! The 1/4" Ruler Foot was specifically designed to use for ruler work using Janome quilting rulers. The 1/4" cup height moves smoothly alongside the quilting ruler without allowing the ruler to slide o... - Janome 1/4 Inch Ruler Foot for High Shank, Low Shank or Straight Stitch 7mm/9mm.