Asymmetric Thrust Reverse News Today

Good day. on a day like today, the visibility is low, the ceiling is low, and the runway is not as firm as it could be, you really want to be on your toes. couple things. if you look at the right ends in there towards the back, its clear that the thrust reversers are not deployed at that moment. theres a clam shell kind of device designed to slow the plane now a lot quicker. what does that mean? does that mean that the thrust reversers were not deployed, is it possible it was asymmetric thrust r...