MILAN — Racy? Naturally. Controversial? You bet. In fact, when Tom Ford shows a collection for Gucci, his audience expects nothing less. But they got a little more than they bargained for on Tuesday, in a presentation that was at times odd and even shocking. There were, however, some great clothes on show, among them the army knits, cocoon tops and the strikingly curvy corset dresses. Here, one of them. For more on the season, see pages 4 to 7.