So some tips. Do not cut the bow pockets to much, or to little. And Heat up some as you go, the back on a 66 is a *****. And where you have to glue down, cut excess materiel from behind, otherwise it leaves a lump....And be careful not to cut to much or rip it.
That's why my headliner is still torn. Joel, my upholstery guy, said I wouldn't like writing out the check for installing a new one in mine, especially with the glass in.
