Primal Instinct: Underwear Model Casting Call Winners Get Their Own Hot Video

NYC's infamous Nasty Pig retail shop sent out a casting call a few months back for amateur models worthy of showing off its edgy accouterments. The five winners revealed in five separate sexy promo videos have left us squealing for more amateur Nasty Pig-gyness. Check out Mark, Abel, Matt, Will & Justin showing off the traits that crowned them as winners after the jump.

Who's your favorite pig, Instincters??