All of the models are naked and each photo displays the Pirelli tire track pattern, sometimes emblazoned directly onto the models' bodies.

FORBES: Sex Sells

There's been no talk of a strike, and it wasn't clear whether the union would use the talks as a pattern to set the stage for negotiations during the summer with tire makers Bridgestone-Firestone and Michelin-BFGoodrich.

WSJ: Goodyear, union begin contract talks for 6 plants