If you’re looking for a reliable set of dry erase markers, the Amazon Basics Low-Odor Chisel Tip Dry Erase White Board Marker, Assorted Colors – Pack of 12 is a great option. We’ve used ...

But a dry erase marker won’t turn any heads. And this one holds its own little secret. It acts as a master key for hotel room door locks. This is really more of a repackaging hack. The exploit ...