Use face lock in android phone (lollipop)

This is about how you can use face lock in addition to your usual pattern or pin lock in any android phone and all that without any third party software. -~-~~-~~~-~~-~- Please watch: "(10) CSGO gone broke? MVP for 1 kill | papaji™ " https://www.youtube.com/watch?v=D98bc5RWGig -~-~~-~~~-~~-~-