My understanding is those hard plastic cases that you almost need a saw to open, are usually retail packaging (to prevent people from removing the contents in t

My understanding is those hard plastic cases that you almost need a saw to open, are usually retail packaging (to prevent people from removing the contents in the store and walking out with them.). I remember some episode on tv where Larry David needs to rescue his boss by cutting the seatbelt of his car. He has a newly purchaaed knife lamentably in one of those unopenable plastic cases.