Graphite Razor Blades Turn Utility Knives Into Carpenter's Pencils

When you're working with wood, they say you should always measure twice and cut once. But there's no mention of ensuring the pencil line you draw to make that single cut is as straight as possible. A company called Prazi believes you can actually create a straighter, truer line with a utility knife instead of a… » 1/28/14 5:00pm 1/28/14 5:00pm