How to open a can without a can opener (http://www.youtube.com/watch?v=sbxKbI9Ik4o#ws)
If you were out on a iland and had cans of food and was starving and didn't have a can opener. that knowage would come in handy. What if you didn't have any concreate blocks? :rofl1:
:baghead:
Like if you were in the woods? LOL