How to bypass any Android Pattern Lockscreen

This video is from youtube I did not own this video.

This video tutorial will show you how to bypass any Android Pattern Lockscreen or in any Android Device without root!This methods is tested by me many different android gadget and device mostly in android phones. This video tutorial is very helpful because you can use your android phone even you miss many times when you are unlocking your android phones.

You can also bet your friends that you can open their cellphones even it has a lockscreen that you didn't know. This is so cool :D