[Cory]

Originally Posted by Rob

Having watched 177 at several events this season, I can say that they always put their arm up while playing defense in order to avoid the gripper getting smashed between bumpers by being down low. The arm controller moves the arm up, then takes his hands off the controls while the base driver plays defense. It is clear to me that their intent was not to push/grab/pop tubes outside of the bumper zone, regardless of what occurred in the match.

That makes sense to me. Thanks for the explanation.