‘Jimi Horsedrix brought me so much joy’: the comic drawing a horse a day – and day 69’s is unsuitable for children

On day 58, he did a boxing Ali horse. On day 67, he did a howling horse. So what made Andy Field suddenly decide to draw 100 equines? And what made day 48’s turn out so phallic?Andy Field was midway through his standup run at this year’s Edinburgh fringe when he was struck by an unusual urge – the urge…