Challenge your perception of time with this somewhat existential device. Durr is a highly attractive, highly intriguing bracelet that shivers every five minutes, creating a haptic rhythm enabling the user to notice the changing tempo of time. You’ll be astonished at how aware you become of everything from the length of a bus journey to the time it takes to drink a beer. It may just stop you from wasting so much of it. Time that is, not beer.