Parents and police quickly pointed out that advertising your contact details in tan lines on your back isn't the safest way to make friends, but the girls insisted that their method is a great way to meet guys.

"We come for both the beaches and the boys, but I'm taken so it's all good," said one of the girls, Samantha. Campaigner Nikki Goldstein said, "They're in their bikinis, showing off their bodies, objectifying themselves in a way that is, to my mind, a bit trashy."