He doesn’t wear one in real life, but has a ring on in a dream, which is why he constantly encounters his wife in there. In addition, we know that no one can know about how your totem works, but Cobb doesn’t have an issue flashing his spinning top to every character in the movie, which further proves this theory. So if you’ve still been wondering whether Cobb got out or not at the end, just look at his left hand.