Post some JTOR articles on Destructoid and other sister sites, and vice versa, sort of like how IGN and 1UP promote each other
I think it would get more publicity to people who only go on Destructoid for games, or Tomopop for toys, after all people have multiple interests, but they may not be aware of the sister sites. It would consist of linking related JTOR articles on the frontpage of Destructoid, Go West! For example. This would go both ways with all the sites of course.
Josh Tolentino commented
We actually do this to a certain extent already, particularly between Destructoid and Japanator, though since each site has its own staff and way of doing things, it tends to happen on a case-by-case basis.
That said, you can certainly look forward to more cross-network collaboration and content in the future!