When Ray Ray, the solicitor, is in the shop, he gives Ricky a phone which a few moments later, he is seen taking it back. However, as Calvin enters and chases him out, Ricky is seen again with that same phone, trying to give it to Isaac who was standing behind him.
Just before Eddie is about to defame the name of Jesse Jackson, the mailman in the scene is seen wearing his post office issued hat. As the scene cuts to Checker Fred and then back to Eddie, you see the mailman place his hat on his head and leave out of the Barbershop.
When J.D. and Billy are carrying the machine to the motel room, Billy sees another man and lets go. The machine then falls on JD's foot, visibly above his ankle, yet, when they are in the room and JD removes his sock, the wound "moves" from above his ankle to the side of his foot under the big toe.
When Calvin is driving Ricky, after Ricky throws the gun in the river, he makes a left turn. His hands move and the background scenery changes accordingly, but he only slides his hand over the steering wheel, which stays still.