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This post was originally published on December 10, 2014, and has been updated.

Now, thanks toGrantlands 16,000-word oral history ofBoogie Nights, we know exactly how they made the pivotal prosthetic.
It looked like a weird monster penis.
Standing up, he means.
He had to put a prosthetic cock on his own cock, you know what I mean?
Thats asking an awful lot of an actor, honestly.
Its not something I could leave out, he said.
It wouldnt be a good look.