Don’t limit your wine experiences to the house or bar, enjoy it on the go with the Pocket Peugeot Clef du Vin. This instrument allows you to quickly measure the ageing potential of your favorite wine. The Clef du Vin uses patented metal alloy disks to safely and easily assess a young wine. No longer do you have to wait for your wine to mature! The dot on the holder folds into the handle so you can slip it virtually anywhere: your purse, pocket, desk, keychain, wallet, you name it!