I guess this is the best place to put this. I need some help training myself to leave my right hand (dominant for me) free. I have a bad habit of closing up at night and walking out across the parking lot with something in my hand, like keys or a drink or a trash bag. Usually somewhere between the door and my truck I remember and switch but I want to be automatically leaving it available. Anybody have some good training methods? I don't want to put a sign on my door reminding me because then I will have customers asking why they should leave their right hand available.