Some light hints that may point you in the right direction:
Hint 1
The assembly is a part of a larger machine.
Hint 2
Several assemblies are meant to move side by side in unison.
Hint 3
The square-ish shaped piece is plastic that will wear down and be replaced.
-angry flaily puppycat.gif (voyager doesn’t allow gif insertion rn apparently)
^^^^me after clicking the link
I don’t know the GIF. I guess you are angry with the name. Is that the case? If yes may I know why?