such as teaching him to mend clothes that inevitably got shredded , helping turn pages on books that would inevitably get shredded and even preparing for an upcoming montage sequence in which , through a repeated series of short everyday tasks , chainsaw boy starts off clumsily failing at each menial task , but eventually becomes a master at adapting to his debilitating prosthetic malady through the sheer power of trendy pop music , laughter and smiles .