4 Days Out - S2-E9
Visible crew/equipment: The boom mic is visible above Walter as he tries to convince Jesse he is too dehydrated to walk after they are stranded in the middle of the desert in the RV with a dead battery. (00:34:27)
4 Days Out - S2-E9
Visible crew/equipment: When Jesse declares he's going to start walking and sits up in the cot, Walt reaches out to him and a boom mic is visible at the top of the screen. (00:34:25)
4 Days Out - S2-E9
Visible crew/equipment: At the end, when outside the airport, the camera zooms in on Walt's face. When the camera does, keep an eye on Walt's left eye. A black camera can be seen in the glass increasing in size as the camera zooms in. (00:40:40)
4 Days Out - S2-E9
Visible crew/equipment: Walt and Jesse get stranded out in the desert. We see Walt cough up some blood and Jesse stand behind him. In this shot you can see the reflection of someone move in Walt's glasses, despite them being alone and still. (00:32:30)
4 Days Out - S2-E9
Visible crew/equipment: When Walt tells Jesse that the 19lbs of Meth works out at $672k each, a light screen is reflected in the very corner of Walt's glasses. (00:17:30)
Chosen answer: It is part of the ritual for la Santa Muerte. It is a sign of humility and sacrifice.
djm