Add Yahoo as a preferred source to see more of our stories on Google. person using a box cutter - Choosee/Shutterstock In a pinch, many people might reach for their car keys, a pair of scissors, or a ...

There’s no sense in carrying a knife if it’s not going to be as useful as possible. And a blade’s utility often comes down to its ability to cut. When ripping open a box, slicing that piece of rope, ...