i think you'll need to post pics of the problem area.
hybrids since 2003 no longer use poles, but use cable supports to hold the canvas bunk doors up.
i do have to say "WOW"
, to a family of 6 and a dog in a 17' HTT!
that would be too small for just my wife and i, let alone that many bodies.
you'll need to get some Popup Gizmos or the generic 5x7 solar blanket versions and provide air movement, because you'll definitely have condensation issues with that many people in the trailer.
Dan-Retired California Firefighter/EMT
and Zoe the Wonder Dog(R.I.P.)
2016 PrimeTime TracerAIR 255, pushing a 2014 Ford F150 SCREW XTR 4x4 3.5 Ecoboost w/Max Tow Package