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Realizing limits for life support points and rigging points in the tree is two distinctly different things. As a rule I've always kept my rigging points below my tie in point in the same tree. But that rule always applied to conifers. In hardwood trees with highly modified trunks its a whole...

Liability laws have done much good in the design, strength and function of so many things we use everyday. At the same time the laws are over redundant with so many simpe things. Is there a happy medium?

Indeed. A single break test on any piece of gear we use in this profession will generate more response from people than Carter has little liver pills. Case in point: the response and feed back generated from the drop test video using the GRCS and Hobbs' devices was phenomenal, and it continues...

The possibilities are endless. The feed back even more so.

Masking tape pull test? That ought to shed some light for some do-it-your selfers, who use tape to fix their harnesses. What an idea.

I had Northwest Labs in Seattle break test a rope I had hanging in a tree for 18 years. One side of the rope was picked from UV where the sun hit it. Was a half inch line, but it had absorbed moisture and swelled up to about 5/8's size in places, and in the shady parts of the tree it was...

Is that your own machine, Nick? If so, way cool.