Not sure how to link to it, but it's on the Golden Gate Bridge reviews. Review by LMD241 on July 4, 2012. Now that I re-read it, I think I see what they mean, but I mis-interpreted the first time: Reviewed July 4, 2012 NEW.
The Fisker Karma is a premium plug-in range-extended electric[5] luxury sports sedan produced by Fisker Automotive in 2012.
Tinker's dam. A tinker's dam is a temporary patch to repair a hole in a metal vessel such as a pot or a pan. It was used by tinkers and was usually made of mud or clay, or sometimes other materials at hand, such as wet paper. The material was built up around the outside of the hole, so as to plug it.