Yes, definitely go with Bowtie Bits. I tried two other suppliers and neither one of them fit.
I wetted the cardboard and formed it around the mid centre tie before installing it and it just propped into place. If I knew how to link I would but, you'll just have search for it I'm afraid.
The finished headliner is seamless.


1951 Chevy 3100 5-Window
"Howard"
In the Stovebolt Gallery
More pix on Photobucket