How to get a seat on the London Underground

Because it really is war for commuters:

The Overground train arrives and dazed commuters spill on to the platform. Everyone stands aside to let them pass. But this act of kindness is the exception, not the rule. Once you all step into the carriage the competition for seats begins. You are now in a theatre of war.

…no secret weapons or ju-jitsu fu (and no, I’m not telling you mine), but a great primer nonetheless.