72duster headliner help..PLEASE...

I have finally got my car back from paint and its time to put it back together..I want to trash my cardboard headliner and use a 6 bow fabric one from a donor 70 duster..There are no holes in the side of the body..but the teeth up front/rear and sail panel area are there...The bows themselves(6).have about a 1/2 inch that sticks out to go into the body..It does not use clips(bow looks like an omega sign)Has anyone attempted this? or can anyone send me some pics/measurements from a 70 duster..I know this can be done..? and now its more like a quest..any help/suggestions welcomed..come on my a body bretheren help a fellow member in his time of distress:rock: please..