““Tool,” William said,...."As in a device to perform or facilitate mechanical or manual labor?” “That’s right Encyclopedia Britannica. Or in layman’s terms: screwdriver, hammer—” “How about a wrench,” William interrupted,“ — "You’ve got a quick learner on your hands, Bryn,” Paul said .... “Sure, wrench works just fine as well,” ... “Whatever blows your skirt up buddy.” ... “Well a wrench would come in handy right now,” William mused. “Because you definitely have a couple screws loose.””