Do your best to ignore the disaster and fact that I was too lazy to wheel it out for a snap.
a hose clamp will secure it to the CJDesigns rack, and another hose clamp forward of that should secure it to the luggage framework. It does not inhibit opening of the bags and makes use of some otherwise hard to cram crap into space.
And the Cruz Tools cruiser metric set fits in one. barely. After much pushing.
No worries about breaking the mounting tabs off, even with luggage dismounted