Cranium Shaker

The Cranium Shaker is a scary thrill ride that greg goes on at the board walk in the end of Dog Days. In the movie, greg goes on the cranium shaker with rowley. In the movie two teenager girls scare greg and rowley by saying some one got decapitated while riding. Greg says in his journal that rodrick has gone on  about a billion times and that You can't call yourself a man until you ride it. After greg got off the cranium shaker, he nearly threw up. Dog Days (book and movie) are the only time the cranium shaker apeered.