For anyone who has visited the East End of London in the last year you are bound to have come across the rainbow coloured lines spray painted all over various shop fronts, shutters, building and even vans across Brick Lane. Someone had built some sort of device to enable them to spray upto 8/10 cans of paint simultaneously and enable it to be applied in straight lines. This modified bike with attached spray cans definitely looks like it may have been used to create the piece below and if not this bike, something very similar. From the photo below look like the spraying action is controlled via the brakes