Truck nuts

[2] However, their popularity surged in the mid- to late 2000s, and truck nuts became known throughout the United States, even featuring on national television shows.

The two men sold Truck Nuts through the late 1990s and 2000s, competing both in the market and in private, exchanging angry phone calls and emails.

[2] Vice News published an article about the feud titled "Balls Out: The Weird Story of the Great Truck Nuts War".

[1] In Virginia in 2008, Delegate Lionell Spruill proposed Bill HB 1452 to prohibit truck owners from displaying or otherwise equipping their vehicles with devices resembling human genitalia.

[10] According to the Above the Law legal analysis blog, the ban was discussed in the ABA Journal and presents constitutional freedom of speech questions.