you'll find this has little to do with a figure 9 after the first few pages.

I've been out of the hammock loop for awhile but I see single line tarp ridge lines are in nowadays.

We had some excellent ideas in this thread that would be better suited for a tarp than a hammock suspension....well safety wise anyway....
Check out pg 23
I think that little anchor deal weighed next to nothing. I'm sure it's around somewhere. I know I have that three holed thing