I think it would be a major deterrent to vandalism and graffiti.

is going to be a major deterrent.

The major deterrent to war is in a man's mind.

Gray hair is God's graffiti.

In New York -- whose subway trains in particular have been "tattooed" with an energy to put our own rude practitioners to shame -- not an inch of free space is spared except that of advertisements.

They say it's graffiti; that's not graffiti,