The next is the tucker. There are three basic types (my middle one is missing the set screws)
Left is found in boxes 1, 2 and 3. Middle is found in 7 and right is found in 8,9,10,and 11
however I've seen two styles of the middle one -
and the underbraider.
Style 1 and 2 do not have an underbraider, instead they have a braiding foot. All the rest use the same underbraider - VS on top and IF on bottom.
Here is a close up of the braiding foot. the braid would feed into the front hole.