A fun advertising effort by Johnson & Johnson in Brazil. The cardboard is positioned under the door and sells Jontex, a brand of condoms. The headline reads, "you do not know when it can be necessary."
This is not the only time the Jontex advertising team went creative. Here's another high profile placement . . . no explanation needed. Source: BrandweekNRX
These Durex condom ads were strategically placed in toll gates so that people would have to push into images of strategically placed women's rear ends to enter the subway station.