In the days before frontal nudes were legal, Walter Kundzicz of Champion dressed quite a few of his models in some interesting and varied garments to create sexy images without risking arrest. Those ranged from jockstraps to loose mesh thongs to cutting edge underwear. I also think some custom made items may have been created, but I don't have documentation of such. Here we see Joe Canoli in some yellow, almost see-through briefs. Perhaps Calorman will enlighten us on this subject.