moving rear panard bar to trailing arm

[Hottrucks]

ok I was woundering if I was to put a bar from the trailing arm near the shock mount and the other end mounted to the other to the X memeber near the pivot point of the other traling arm would that keep things square???
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it woud look kinda like this?? a couple of hime joints and fab up some mounts for the trailing arm and drill a hole in the X memeber

the reason I ask is I thought I saw a pic of a truc set up this way