Originally Posted by
Muv
The only reason I would want to bypass the feed dogs on a long bobbin machine would be to use a buttonholer. Because they don't drop you can get the screw driver out and remove them completely.
I've used a buttonholer on my VS2 and it was sufficient to use the feed dog cover that came with the (1940s) buttonholer. It worked very well, creating a perfect button hole. Removing the feed dogs was unnecessary. Can't recall which screw I used to anchor the cover plate.