Visible crew/equipment: When Skyler is rubbing oil on her stomach and preparing herself in the bathroom, a camera and cameraman's hand is visible for about a second from the left side of the mirror. (00:10:30)
Visible crew/equipment: As Walt and Jessie get into the car at the start a light screen is reflected in Jesse's glasses. (00:04:20)
Continuity mistake: The way that Walt hold the pack of beans, and the position of the beans in the pack changes between camera angles. (00:28:20)
Chosen answer: It is part of the ritual for la Santa Muerte. It is a sign of humility and sacrifice.
djm