She came around behind him and started rubbing his shoulders.
Once he rubbed his shoulder in rather an obvious way.
She rubbed her teacher's shoulder and pointed at the photograph.
I remember rubbing my Dad's back and shoulders in the hospital.
He rubbed his shoulders against the back of the seat.
He rubbed his shoulder as if he'd been struck hard by something.
I stood there, thinking about it, rubbing my shoulder, waiting.
She had gotten closer to him, and her hand rubbed his shoulder.
All those things are probably from rubbing shoulders with the wrong company, which happens to be Charles.