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There is a climbing stand that is kinda hammocky.
The Tree Lounge.
http://www.biggamehunt.net/graphics/photos_talltales/bob_hice_tree_lounge.jpg

One of these "chairs" HERE designed by [o]tter would work better, if you could stay awake. Not the stand, just the hammock part and use trees.

I tried to hunt and hang. I strung one side real high...