Ken Kagami: 'A small penis is so sad'

He’s the surprise hit of Frieze, with punters queuing up to have their private parts turned into art. The Japanese artist on coy men, proud women – and why he won’t draw a vaginaWhat do you wear to sit for a portrait? More specifically, what do you wear to sit for a caricature of your own genitals? It’s a classic contemporary art question. Or it soon will be, thanks to Ken Kagami’s live art project at this year’s Frieze art fair. The Japanese artist – kn