rather than waste time pointlessly arguing , superkid pulled off the shirt he borrowed from pinno -- his costume was still drying by the fire , which was still burning in the center of the craft -- tied knots to seal the arm and neck holes -- the neck hole was quite tricky since it took up nearly the whole top half of the shirt -- and , puckering the bottom half of the shirt , blew it into a balloon , which carried him slowly into the air .