Make sure your blade is safely retracted with the LED-enabled Rapid Tools Rapid Edge.

Audible pick of the day: 13 Things That Don't Make Sense: The Most Baffling Scientific Mysteries of Our Time, Unabridged, By Michael Brooks, Narrated by James Adams. For a free audiobook, visit Audible.com/gizwiz.

For more details and a chance to win the Mad Magazine "What The Heck Is It?" contest, visit GizWiz.Biz.

Hosts: Dick DeBartolo and Leo Laporte