JANOME (Standard) Even Feed / Walking Foot with Quilting Guide
Fits Category A Machines
which allow the fabric to feed without shifting or slipping and eliminates the problem of the under layer of fabric coming up short.
Janome Zip Piping Foot (Screw on Adjustable Zipper)
Fits All Category A & B - 200342003
The piping foot will have limitations when using thicker piping, including the heavy jumbo cord, and this is when the adjustable zipper foot will be invaluable