Wilkommen in Winetoberfest!
A sextant is an instrument used to measure angles. That's all. Get your mind out of the gutter.
Winetoberfest: it's not just an empty, meaningless name for another typical Wine.Woot-Off! Oh, wait, that's exactly what it is. But who needs a snappy marketing label for great deals like these? (Of course, if you happen to have any ideas along those lines, let us know.)