How I have learned to love tailgaters

I must confess I have hated tailgaters. I ‘m not talking about tailgaters as in party-before-the-football-game type people. I’m talking about people who make it a practice of driving in their vehicle too closely behind me. Yes I know that followers of Jesus are not supposed to hate anyone, not even our enemies. But I would like to invent an electronic digital sign to place on the rear of my car that could be activated at just such a time that says “BACK OFF!”