WEARS THE FIREFIGHTER HAT AND CREATES A BUBBLE FOR THE TEAM
Sometimes the anchor may want to handle blockers and interruptions, especially if these tasks create distractions.
In many cases anchors are expected to protect the team from inefficiencies caused by near-term blockers, interruptions, and unreasonable requests. They tend to be the one who attends strategic technical meetings and fields questions, especially on an easily-distracted team.