I started my response early in the thread on my phone and have been editing it. Might be a bit jumbly.
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It's understandable to long for adventurous days in younger years with less responsibility over mundane details and ultimate responsibility for a tree manuever pulled off...
Idk.
I use a ponytail/ hair band to keep my akimbo centered on my DMM oval. It doesn't crossload at the bridge ring when snug on the device at the other end.
Very cheap and easy.
I haven't seen necrosis in the previous handful of years.
The owners of about 9 years got the tree house and swing as part of the property.
A handful of years ago, she initially asked about a removal bid since the doug-fir had a lot of dead branches. She thought dead branches meant it was...
Yes, clipped with 2 clove hitches with an extra 3 feet of climb line slack between hitches.
Last week, one clove, one butterfly that was my emergency clip- in loop for lowering.
I removed 2 opposite-sided 2x6s lag-bolted, with opposite-sided 2x6s lag bolted one layer of framing higher.
2 parellel flats below with 2 parellel flats above, set 90⁰ to the first.