How to manually unlock an Android phone pattern password without any knowledge of Hacking

This i would say is the easiest way to unlock any Android phone  pattern password without any knowledge of hacking phones.
REQUIREMENTS
1. PEN
2. PAPER
3. YOUR BRAIN

IT IS QUITE SIMPLE READ CAREFULLY.
It is quite simple.

1. first of all clean the phone very well.
2. Give the owner of the phone to input his password.
3. Off the phone again and look at the phone screen from another angle, and try to trace the person fingerprints.
4. Write down the fingerprints you have traced.
5. Try it and see if it works.

POSSIBILITY OF WORKING: ¾