Lee is a three-letter job title that is used in the film industry to refer to a person who is responsible for placing and removing objects from a set. Spike on set is a term used to describe the LEE's job of placing and removing spikes from the set. Spikes are small metal markers that are placed on the floor to mark the exact position of an actor or object during a scene. The LEE's job is to ensure that the spikes are placed correctly and removed when the scene is finished.