As anyone who has ever lost an Allen key while trying to put together a bizarrely named bit of MDF furniture from Ikea on a Saturday afternoon, the importance of using the right tool for a job can’t be overestimated. And if you’re a film director in need of someone to play a terrifying Mexican gangster who looks like he would happily cut you for fun, you use Danny Trejo. That has been the case for a long, long time now and its the reason that T…