From the website:
"Amaze everyone at your next social function with le sabrage, or opening a bottle of Champagne with a sword. Napoleon's officers did it — you can, too! Teaching yourself to "behead" a bottle of champagne isn't hard, but takes a little practice (and a case or two of cheap bubbly) to perfect."
Disclaimer: SCAtoday.net has not tested this technique and makes no claim as to whether it is safe. We advise caution, as anything involving weapons and glassware is potentially dangerous.