his feelings communicated themselves to squizzle , who began at first to sit on his shoulders and groom his scalp , but when that failed to soothe him , squiz tried shock tactics ; he marched up and down in front of soro , shooting nervous glances at the sofa and the fridge , and when he heard a loud noise from outside , he leapt up in the air , hair jutting out like a porcupine , and then he scrabbled for cover in the hidey hole under the wooden cabinet where soro kept his keepsakes locked away .