When Meomi saw the chips, she immediately chose the sweet and sour ones and her claws turned into hands. Judging by the way she opened the bag of chips with her hands, she might as well have used her claws.
Thus, the two members of this secret organisation baffled the Citadel Guards by their audacity to have a snack break in the middle of their sacred stairs trial. No one in their right mind would have done that and quite likely these two were the first to be this shameless.