Headliner Install Question

I trimmed as I went so the fabric was tight to the sides / just snip with a sharp pair of scissors/get your rear to front centered 1st
[URL]https://www.forabodiesonly.com/mopar/showcase/69-fb-headliner.10596/[/URL]
I was asking how much of the bow channels did you trim prior to hanging the headliner in place? As in - how much of the bows did you leave exposed on the backside?