A friend told me his student daughter had become a feminist activist. Check out her Facebook page, he said. So I did, expecting posts on the gender pay gap or #MeToo. Instead I discovered the campaign to which she and her mates devoted their energy was to save the Sheffield branch of Spearmint Rhino.

Seriously? A lap-dancing club? Indeed, a multinational lap-dancing corporation, where men from London to Las Vegas can pay near-naked women to grind on their crotches in private booths. Spearmint Rhino, whose posters of strippers dressed in sexy uniforms for “naughty schoolgirl” parties were banned by the advertising watchdog, and which exists to flatter and feed the sexual entitlement of men, according to its founder John Gray.

Not just any old Spearmint