The photographer's sock, which Britney Spears ran over on Thursday (18Oct07), is to be sold on auction website The videographer, who was left hobbling after getting caught under the pop star's Mercedes, is selling off his sock to benefit the Children's Defense Fund. The posting reads, "Authentic sock Britney ran over. The actual sock worn by a TMZ cameraman Thursday when Brit drove over his foot. Tire tread guaranteed authentic!"