Wouldn’t it be fun if that was her gun falling out?
Video #3 or below:
https://www.youtube.com/watch?v=YzZl9j580tM
The best views are at 0:23 / 0:38 secs and 0:30 / 0:38 secs.
I think it may be one of those things her handler carries.
Her handler carries either a diazepam auto injector or a light pen.