unfortunately , in order to do so , she used the pinky promise , licking her pinkie and promising to see tusk on thursday for dinner , and so this is the critical flaw in her personality , the thing that shino pulled off last year without a single word , but iceprincess did overtly , breaking a childrens technique without a qualm and possibly angering the gods that are , for the pinky-promise is white magic , it is ancient and unknown in origin , it is entirely cross-cultural .