The description Dryer suggests is necessary for some hammocks (and their suspension system) but not all. In my experience attaching the tarp to the hammock suspension system will cause the tarp to sag and flap when the load is placed in the hammock. YMMV

For the past 3 years, my tarp is hung first and tied directly to the trees. the line attaches to the tarp at the ends only and does NOT run the entire length of the ridgeline.I then stake out the corners (I use sticks I find in the woods and only carry 2 emergency stakes). This allows me to have a dry place to now unpack my hammock and rest of my gear.