When I have to choose between two new releases, the crucial consideration is often which movie has the best chance of reaching a wide audience. I thought initially that Ethan Coen’s Drive Away Dolls would be a bigger crowd-pleaser than Mani Haghighi’s Subtraction, but after watching both features, I’m not so sure.

At their best, the Coen Brothers have made some extraordinary movies, but Ethan’s solo effort is so flimsy it left me perplexed. Drive Away Dolls is a lesbian road movie, with the usual lashings of violence and vulgarity that have become a Coen trademark.