As a rule and it goes w/out saying...at at all times I been having a pocket knife since I was a wee lad. Its just so multi purposefull. Like carpenter says I been relying on other proactive common sense things to avoid trouble..including staying out of bad neighborhoods,lol. I keep something like this:

My wife has Sirius in her van and it is pretty cool. I never listen to regular radio anymore and if I did 99% of the channels are trash radio. I use Pandora sometimes. When I get a bagger in the future I will make sure it has Sirius