Originally Posted by Marjpf
Definitely the "undo" button. Must have a never ending bobbin, and little rails that could come up for different seam allowances. Really good light. If we can't have undo - could we at least have automatic seam ripping? And a mirror arrangement so we can see what the bottom piece of fabric is doing.
...or a mirror to see where we're going when having to reverse for a quilting design.