This is one of the many method of increasing youtube views. Follow the steps carefully

a) Open youtube.com
b) Watch highest youtube views in your niche
c) Open them in different tabs
d) SignIn your youtube account
e) and go to all highest youtube video tabs and put your mouse cursor on comment area, the option displays "Do you want to give comment with a video" say Yes .

Try it with maximum videos, some will approve you -few may reject your comment. But its worth giving a try.