I'm doing the rear brakes on my 2000 LX470. I fully understand where the four pad support plates (green box in picture) go on each caliper, but I have one clip on each caliper that I cannot figure out (red box in picture). It fell out when I was disassembling the calipers before I could spot where it goes. I've searched the forum, watched YouTube videos, and read the brake section in the FSM without any luck. Any help would be much appreciated.