I like two separate lines off of the ridgeline with Dutchflyz or a knot. Porch mode is my favorite pitch....less stooping.
Tendertoe, I like the idea of attaching the tarp lines to the tree high up above the hammock suspension. I've never seen that approach before, or just wasn't paying attention. I have to try that on my next hang. Otherwise, my approach is the same as yours with the substitution of Dutch hooks for the mini-biners and my ridgeline over the tarp.
"Life is a Project!"
first method I stumbled upon when I first started hammocking and is demonstrated by a major name in the community.
2 separate lines coming off each end of the tarp ridgeline, i use 1.75 zing it.....make a locked brummel on one end of the line and larks head it to the tarp.....no knots and easily removed if need be
put a back splice in the other end of the line and slide a tarp fly from dutch on, the tarp fly will never fall off because of the back splice
don't know how you could get simpler setup
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4th Annual Black Hills Hang Aug 20-23