I am helping some of my GD's to sew. To help keep seams even for now I am using a tape seaming foot so they just need to consecrate on the speed. I can use it for binding. You do not have to have the tape in it.
http://www.thesewbox.com/f/Tape_stit...esser_foot.pdf
http://thesewbox.blogspot.com/2008/0...sser-foot.html