I hope you didn't use a nail because 1) some religious groups may be sensitive to this word since Jesus was nailed to the cross 2) some might interpret it as

I hope you didn't use a nail because 1) some religious groups may be sensitive to this word since Jesus was nailed to the cross 2) some might interpret it as a sexual innuendo Also I certainly hope there was no frame, because some ethnic groups have been framed for crimes in the past. In fact, if your painting builds on the heritage of colonial culture, it is inherently racist and problematic. The only progressive option, really, is to tear down the wall.