Learn how to open a bottle of wine with a piece of string, remove the cork in one piece. The is an awesome party trick that I have heard has cost people up to $200 to learn "I bet you I can open this wine with this piece of string"...."how much?" ...."$200"...
It's also useful on picnics on boats.
Most likely you'll use this instructable to drink other people's wine for free.
"If i open your bottle with this piece of string, can I have a cup?"