How to Prank Someone in the Bathroom with a Hidden Message in the Mirror

Here's a trick that has the potential to creep anyone out. Watch this practical joke how-to video to learn how to write a hidden message on a mirror. Use anti-fog solution and a q-tip to write a secret message on a mirror to scare someone coming out of the shower. You'll have loads of fun with this practical joke. Use this as inspiration for one of your April Fools Day pranks!