Hit and Run - S6-E4
Trivia: When Kim is sitting down to eat with Clifford Main, she mentions the place gives Java Joe's a run for its money. Java Joe's is actually the name of the real-life coffee shop whose building exterior was used as Tuco's headquarters in Breaking Bad.
Trivia: One of the diners seen is "El Camino Dinning Room" (for example in episode 1 and 4, it's where Kim is talking to her pro bono clients). "El Camino" was the name of the "Breaking Bad" movie.
Answer: It might be the Panavision cap he wore when directing his terrible commercials.