What is this tiny silicon rubber part?

What is this tiny silicon rubber part? I was cleaning my K400 this morning and pulled out the pod holder and the tray below that. This part was in the tray (pen shown for scale). I would guess it goes over one of the needles? Which way is up?
Asked by: Guest \| Views: 185

Total answers/comments: 1

Comments display order:

Guest [Entry]

thanks for the help !