Here is my latest upgrade to my suspension system.. rather than reposting it all heres a link to the post I just put up. Some of you will be happy to know I switched to a strap like system
Saw this and thought of your part you wanted to utilize.
Originally Posted by MrDieselTwitch
tautline's been working for me for the last 10 seasons... but i'm 160lbs... i usually use 4 loops in the back and two in the front, holds fine rain or shine. not sure about how well it'd hold or come apart in a freeze, though... usually use straps when it gets ubercool.