Originally Posted by
Mickey2
With my 201 came a darning foot I don't really understand. It has a spring action, though it never kicks in when I stitch, it might as well be with out the spring bit. It's foot No. 121094.
Horizontal or drop-in bobbin machines are notoriously poor at darning and free motion embroidery. They always have tension problems due to the thread having to turn 90 degrees.
I tried free motion darning on a 201 a couple of years ago and it was a disastrous failure.