How to do moss graffitiwe already had a marker here Grime writer called, which you can fill with soapy water and then tag dirty surfaces. The idea is already five years old and is based on Alexandre Orion's reverse graffiti, who had painted skulls with a cleaner in tunnels full of car exhaust fumes and was used for the Purge stopped promptly by the police. The idea was taken further with the «The Reverse Graffiti Project«. The marker is of course only a relatively flat imitation of the action, but the idea is still so ingenious that even the commercialized imitation has a bit of something to it, whereby you – between us – simply fill a normal marker with washing-up liquid can
Grime Writer is a special chunky marker pen that can be filled with cleaning solution, and used to create art on a canvas of filth. Use it to tag your dirty vehicles & windows, or to transform dirt into artistic expression.
Much more socially acceptable than real graffiti and (more importantly) a lot less illegal - Grime Writer helps you leave your mark wherever you find muck. Use responsibly to help promote the phenomenon of negative graffiti, and brilliantly combine the crime of defacing a bridge with the community service time cleaning it up again afterwards, into one harmless, helpful, creative act.