Revealing mistake: When young Ichi has a "climax" at the end, you can tell his "spunk" is really just white goop and isn't real.
Revealing mistake: When Dai is fighting the school kids in the beginning, you can tell in many of the shots the punches and kicks are being missed by fairly large distances.
Revealing mistake: When the evil bully's head is crushed at the end, you can easily tell it is just a dummy head, as the coloring isn't quite right.
