Steaming them or spraying them lightly with water sure does help. They can become kinked quickly w/o softening them first. I think the same problem of fit also applys to kick panel cardboard.

1953 Chevy 5-window 3100
In the Stovebolt Gallery
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Dave
Engine & Driveline Moderator

If you can't make seventy by an easy road, don't go. ~~ Mark Twain