A brilliant idea to make people more aware of the waste they're causing when having or using more water than needed. The glass features a hole and a line dividing your need from want. If you require more water than you need (above the line) then you'll have to cover the hole with your finger - as in, take the matter into your own hand to make a stop to waste, which leads to thinking of making a stop to waste in the global sense. Buy it here ($30)
