OKLAHOMA CITY, OK -- Chrome bumpers, shiny wheels & custom paint. Many car and truck owners like to accessorize their vehicles! But there is a new truck accessory dangling from trailer hitches in some states that’s causing some to go nuts. They’re called Truck Nuts and they have become the hottest vehicle accessory. Whether plastic or steel, color or chrome, these babies have become a million dollar business. One store owner said, “They are going nuts over these things. Once or twice a day people ask for them. Dangling do-dads. Dangling do-dads! Kati Trimmell has a pair of pink do-dads dangling from her Dodge truck. The 20 year old cowgirl, who got her nuts as a Christmas gift, works at a local western wear store. She said "steel, colored or chromed, truck nuts sell almost as fast as wranglers & ropers. “You'd be surprised at how many women buy them.” Said Trimmell. “The pink ones are my favorite because I love pink.” An eye catching novelty...