“…and it would form a vacuum seal, and it could be used -- could be left in place weeks at a time. And under the pressure from the women's groups, the FDA gave its approval to a rubber so-called cervical cap, which was actually shaped more like a baby bottle's nipple with a huge projection chamber on the end, which was supposed to be filled with spermicidal goo, and that immense structural projection caused it to almost instantly be displaced, and so they were terribly unsuccessful. It was just like a way of inserting a spermicidal cream or jelly.”