Can you use nylon webbing with metal cams in place of tree huggers and suspension. I use this system on one of my hammocks with a biner attached to the hammock which clips onto the nylon webbing strap which is wrapped around the tree. To tighten the susupension simply tighten using the cam. I used the cam/straps from the tie down system on my Thule and Yakima kayak carriers.

They look something like this in case your not sure what I am talking about: