The cameraman is visible in the reflection of window while Holden is walking back to his car in the rain.
During the lesbian bar scene, they are all around the table. The lights behind them glow eerily like portholes. They re-enact the scene from "Jaws" where they compare injuries, only with cunnilingus stories. Even putting the leg on the table comes from "Jaws." This scene was originally meant to be in Mallrats, but was rejected by the studio.