You guys are pretty smart. The answer was:
Women's underwear!QUOTE]
The reason I knew the answer was from watching animal planet. They actually had a show about the strangest things ever removed from dogs' stomachs. The 2nd strangest was a padlock and the winner was a pair of women's underwear...but not just any pair. It was a brand of underwear that its owner didn't wear! I guess the dog had been raiding someone's clothes line! It had been a while, so I didn't know if our lovely undies were still at the top of the list!