How to Put an Emergency Contact in a Locked Screen on your Cell Phone

<iframe width="520" height="400" src="https://www.youtube.com/embed/PSKZthzBU6Y" frameborder="0" allowfullscreen></iframe><br /><br />Do you keep your phone locked (you should)! But if it's locked and something happens to you there is no way for people to get in touch with your emergency .