The only extra that came with my new (old!) Singer treadle machine is a very old pin cushion.
I have never seen one like this. It looks like it might be hand made using silk fabric. It came tied around the arm of the machine with very old and thick pins in it (not like the nice thin sharp pins we have today... boy are we spoiled). If anyone knows more about this type of pin cushion, please contact me - I would love to find out.
I love the fact that this was on the machine. It proves that someone actually sewed on this beauty and probably loved it, not like today when most people use these old treadles as furniture.
Here is a pic of the old pin cushion: