QUOTE(Mikey914 @ Sep 18 2021, 11:19 PM)
The O rings allow for a little more flexibility as these are a pain if you break one off trying to install the chrome with the window in.
They also reduced the clamping pressure on the trim and it is not as tightly held in place.
I don't think it is loose but I have a mix of clips and the clips with O-rings are definitely a little looser.
But none of the clips with O-rings broke which some of mine without O-ring did break, that how I ended up with a mix.
Thankfully I only had my windshield sitting on cardboard and thin wood blocks to position the windshield and test fit the trim, when I broke the clips.
Jim