...yes, it allows him to cook for himself in hotel rooms. (It also makes airport security very nervous.) But that chambermaid who disregards the "Do Not Disturb" sign? The sight of Jason answering the door in bikini briefs and wielding the "BFK" is enough to scare them off.
Somehow I have the feeling that seeing Jason Mraz in his underwear (and shirtless) might give me selective blindness about the knife.