The 49ers' cohesion along the offensive line has been explained in a number of ways: It's due to the talent along the line, to the fact that all five men have started all 18 games this season, to outstanding coching from Mike Solari and Tim Drevno.
The real reason the line has such impressive choreography this year? It will be obvious when you watch the video below. (The people in the apartment below want their deposit back).
-- Matt Barrows