Yes looks like it's got to be where it fits into part 15443 roller clutch assembly.
It really does not touch anything else.
Perhaps it matters which position it's in during assembly. (on or off)
That's just weird.
"Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body. But rather, to skid in broadside, thoroughly used up, totally worn out, and loudly proclaiming...WOW, What a Ride!"