Whether you are zigging or zagging or stopping and going, this drink holder automatically adjusts the position of your drink to keep it level. Its not a magic trick! The Brica Drink Pod includes: * Easy to install and remove with a large adjustable turn knob * Self adjusting cup holder * Articulating design automatically keeps drinks level * Top rack dishwasher safe * Can attach to almost any shape tube, rail or seat * Can be used in the car & on the go! * No assembly required