Question: What was the heinous metal contraption placed on Wade's head, prior to him being sprayed with hot wax, supposed to insinuate? The needle-like probes did not appear to puncture him. Was it simply for effect?
Question: Two of the main characters are called Wade and Dalton, is there a connection to the 1989 Patrick Swayze film Road House?
Answer: I don't think so. Wade and Dalton aren't exactly uncommon names and references to other movies are usually more obvious than two characters sharing names.
Question: During the striptease scene in the tent with Paris Hilton and Robert Richard, what is the name of the song playing in the background?
Answer: The name of the song is Brothers Conti - Automatic.
Answer: It is simply a contraption to keep Wade in place so he doesn't move and the wax can be applied. It's also used to keep the wax out of his eyes, ears, nose and mouth.