I don't use my poles much for porch mode. If my tarp is going to be used that way it is usually pitched way higher than my poles will reach anyway.
I just find a couple of sticks in the woods. There are always plenty to have. In the areas I frequent alot I keep a few sticks around along with a tripod or two to hang my gear on.
This way I can walk under the tarp without bending over. One of the advantages of hammock and tarp camping is the ability to stand up and not have crawl on the ground.
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