http://www.altrec.com/published/clim...ourownharness/

For what it's worth, I did CPR on a fellow whose climbing belt failed while
he was installing a TV antenna on a topped tree. It wasn't pleasant, the
crunching of the bone fragments as I did the chest compressions.

Use good gear.
Be certain that it's rigged right.
Don't trust it.

--
KC6ETE Dave's Engineering Page, www.dvanhorn.org
Microcontroller Consultant, specializing in Atmel AVR