Brendan Bevan’s Badly Behaving Backpack.

Brendans Backpack - There's nothing comic about being hit or tripped by someone's backpack.

There’s a collection of posters that the public transport authority in Perth, TransPerth, are using to try and get the message across to the travelling public.  The message is how to be considerate of your fellow travellers.

I think it’s going to take more than a couple of clever posters