How Do I Use the DefenderPad® Laptop Shield? B How Do I Use the DefenderPad® Laptop Shield? Place the DefenderPad® on your lap with the grippy, rubber surface facing upward and then place your laptop or tablet on top of it. The DefenderPad® blocks EMF emissions moving in the downward direction of the electronic device. Permalink DefenderShield How far away from your bed should your phone be when you sleep? How Do I Set Up My DefenderShield® Universal Cell Phone Wallet Case?