We open the Locked on 49ers mailbag and hear from Kyle Shanahan, who took the podium a day after his first win as head coach.
-Shanahan enjoyed Monday following a win Sunday.
-49ers add another safety to the injury report.
-Marquise Goodwin overcoming loss to play big vs Giants.
-Did CJ Beathard buy himself another week as starter or will the Jimmy Garoppolo era begin in Week 12?
-Rookie wide receiver Kendrick Bourne is earning a larger role.