Smack Apparel Denver Football Fans. I Prefer to Hate The Oakland Raiders Navy 12'' X 14'' Metal Man Cave Sign 14 X 12 Inch Steel Signs 100% Made in the U.S.A. If the fan in your life hates their rival, this sign is for you! Perfect for Man caves, dorm rooms, bars, restaurants and the office Four corner holes for easy hanging Licensed only by the 1st Amendment