Obvious dummy when Buddy's bike explodes.
Glass bottle breaks before hitting the biker's head.
Early in the film, a biker takes a can of oil from the display of new cans and tosses it to another biker who tosses it to another, but it falls to the ground, making a distinct "clink" of an empty can, rather than a "thud" a new, full can should make.
During the fight in the pool, one of Poet's attackers acts out being punched to the ground, but Poet never throws the punch.
Camera operator shadow visible when Poet tosses a Madcap into the toilet in the girl's bathroom during the bar fight.
After the marriage the group is riding away from the church along the beach and a radio antenna from the camera car is visible as 2 bikes are riding down the road.
Shadow of the boom mic can be seen on the wall behind Buddy when Officer Bingham busts in on the party at Shill's apartment.