my worst offenders have both been re-trained in traffic etiquette. they now avoid the road when they see me coming (and i expect that they do the same for any other cyclist-one had bitten me and the other contributed to a crash)
there are non-lethal ways to employ firearms. email for any further discussion/explanation.
Its just south of Franklin/Murfreesboro Road between Almaville Road and Horton Hwy/Nolensville Road. Frequent route for the Tuesday night Spanntown rides.