Trailing Arm Nut Cover Removal?

[pgmasini]

There is a cover over the nut on my trailing arm and one of the lateral links. It is #10 in the attached picture (there are 2 of them). How does this cover come off? It seems like it would be pretty easy to break.

[Hocrest]

I've just pried it off with a screwdriver.

[pgmasini]

Thanks for the reply. I pry'ed the first off without damage. After the first, I noticed that you just need to turn it about 10 degrees counter clockwise and it pops right off.