Crawl Space - S4-E11
Continuity mistake: In the opening scene, the medical team is treating Gus. The oral syringe of medication is drawn to "1", in the next scene, it is completely full when the man administers the drug. (00:01:20)
Crawl Space - S4-E11
Continuity mistake: In episode 2-10, Walt installed a new gas water heater. The gas lines run from the left wall to heater mounted on the back wall of the utility room. In episode 4-11, Walt is in the Crawl Space under the utility room. The gas lines are no longer visible.
Crawl Space - S4-E11
Continuity mistake: Ted is in his house with Saul Goodman's men. When he beats his head on the furniture after he stumbled on the carpet in attempt to escape and passes out, his legs change position in two different angles shots.
Crawl Space - S4-E11
Visible crew/equipment: A camera in a black protective box is visible on the ground in the intersection during the crash sequence when Walt gets T-boned by an SUV. (00:24:48)
Chosen answer: It is part of the ritual for la Santa Muerte. It is a sign of humility and sacrifice.
djm