Is there a reputation cap we have to reach before this feature unlocks for us? or is it something which is exclusive to the Mods.
It can be done by normal users, but you need 3,500 reputation (so you're almost there ;)). But keep in mind that those high-level mod-like facilities should be used with extreme care and responsibility.
Also remember that the beta status of this site lowers the reputation limits for all privileges. Once the site is promoted to a full SE site, you will need the full 15,000 again.