Janome Even Feed/Walking Foot is very handy for difficult to sew fabrics, the Even Feed Foot is another set of feed dogs that helps multiple layers glide through easily.
The Convertible Even Feed Foot Set comes with 2 guides, on is for Ditch Stitching, the second guide assists in stitching parallel lines.
 

Compatible with Janome Models:- DC2030, DC3050, DC4030, DC6050, Jem760, most 7mm Lo Shank machines
please state model of your Janome when you order.