I have had this Elna carina sewing machine for ages. It says 'electronic' but it must be an early years compared to what I see on machines now! My kids were little when I bought it and made a lot of clothing for them. But I was just playing with the feet that came with it - yeah, after probably 20 years, I am playing with it's feet!! There is a 'darning foot" that attaches to the shank. First you cover the feed dogs with another little plate with a hole in it for the needle and thread to pass. I set it to regular stitching but to stitch length "0". I think I have to make a small wallhanging to play with but it looks like FMQ to me!! And then there is a 'hemming' foot that has an adjustable guide that I think might be able to do 'stitch in the ditch'.
Have any of you used your sewing machine's feet for something other than what the manual says they are for?