South Africa, Oct. 8 -- Joe Public London has launched its latest campaign for good - a bold, conversation-starting initiative for Breast Cancer UK that turns something easily overlooked into something impossible to ignore.

The campaign, titled 'Street Nipples', transforms ordinary pavement studs in London, Manchester and Edinburgh into nipple artworks, reminding women of the importance of self-checking. Using eco-friendly reverse graffiti (created with pressure washers rather than paint), the designs are striking, sustainable and short-lived, but their message is intended to last much longer.

Like the studs themselves, the idea started with something most of us barely notice. "We were standing on a street corner wondering what those li...