Since the barber gave everybody the same haircut, his practised hand took care of his job without involving his mind.He used his mental capacity, thus spared, to turn raconteur and juicy gossipmonger.
It tells the story of an assassin called " Seven" , who works undercover as a hairdresser and tries to recover his lost memories after a major injury as he begins a journey of self-discovery.
So you can be a bartender, you can be a grocery retailer, you could be a hairdresser, anything, really, and offer agent banking as an add-on to make that viable.
It's all the hairdresser's fault. He told me I would look beautiful with copper highlights, then he did this to me. Now I have orange stripes, I look like a jungle animal.