I might try 3M Weatherstrip Adhesive.

Does a real good job of sticking things in place permanently.
Has to withstand temp extremes to keep door weatherstrip rubber in place
permanently.
I use it for many applications like that.

----- Original Message -----
From: "Tabe Johnson" <greentabe-vanagon@YAHOO.COM>
To: <vanagon@GERRY.VANAGON.COM>
Sent: Wednesday, January 26, 2011 9:35 PM
Subject: Looking for a clever adhesive/fastener solution

>I want to stick some velcro on a velour surface.  The velcro I have has
>very sticky self adhesive on one side but I know from prior experience that
>in hot weather the inside of the car gets warm enough that the glue gets
>slick and the velcro might slide.
>
> I have thought of using shoe goo (would not slip once cured, but very very
> permanent!), a short stubby fastener (would probably rip out because all
> the forces would be concentrated around the fastener)
>
> Anyone got clever ideas?
>
> tabe johnson/90MV