The Resqume tool is nice, but I carry a simpler setup both EDC in the car and in my auto extrication tool kit.

The belt cutter I carry looks like this: [img]http://us.st11.yimg.com/us.st.yimg.com/I/yhst-45546376600832_1957_50192498[/img]

The window breaker I use is one of these:
http://www.allhandsfire.com/page/AHF/PROD/emttoolsknivesandcutters/EMI-1076

I've also used, on-scene, one of these:
http://www.allhandsfire.com/page/AHF/PROD/emttoolsknivesandcutters/EMI-9000

and I prefer the spring-loaded window breakers.