This thread is almost like asking: 'anyone got any tips for being equipped to survive?'
Apart from the mirror, compass and whistle Dougs kit is a good example of a small 'utility' kit. Thread, string, fire, duct tape etc all have multi-uses. That's what being equipped to survive is.
The Sock
_________________________
The world is in haste and nears its end – Wulfstan II Archbishop of York 1014.