One of the things about buying sewing machine stuff in thrift shops, is you find bags that may contain parts for all different types of machines in one plastic bag. When you get home and untangle the mess, sometimes I would find a piece that looked like this:
Now how the heck does something like that attach to the machine?
Well you need an attachment foot
This little doohickey comes with a set of feet, and lets you swap them out. They fit together like this:
Hope this helps someone, it did help me!
And for eye candy, here is the really nice set of Kenmore attachments I was photographing when I decided to share this tidbit.
I don't know if you can see how clean and shiny they are, but they look super clean. If they weren't in the original box, complete with oil stain and $3 price tag I would have thought they were brand new.