Is it safe. I was reading another thread where it was talked about but it was 87 pages and I don't feel like hunting back through it if I could find it. I had 2 rings on one end and 2 d rings on the other but they were hard to adjust because of tightness. I read about the ring and toggle and have set it up and tried it. It held my big butt. I am still fiddling in the basement. I made the hammock and the tarp. I need to seam seal the tarp. Next is to figure out how to use milatary poncho liner for under quilt. I need some shock cord and to figure out how to keep it tight against the bottom of the hammock. The hammock is 2 layer so I can use a pad when it gets colder but I want to see how this works in the summer.