You need to look at this post I did.
https://steemit.com/justbecause/@bashadow/steemworld-org-bonus-feature-for-redfish#@greenrun/re-bashadow-steemworld-org-bonus-feature-for-redfish-20180119t055809451z

It will help save a little vote power. It does not work on comments, but it does on main post.