Look for older reports from rec.climbing. For example: http://canyoncollective.com/threads/some-knot-testing-data.7688/ http://canyoncollective.com/threads/som

Look for older reports from rec.climbing. For example: http://canyoncollective.com/threads/some-knot-testing-data.7688/ http://canyoncollective.com/threads/some-knot-testing-data.7... And https://user.xmission.com/~tmoyer/testing/EDK.html https://user.xmission.com/~tmoyer/testing/EDK.html Some of the testing folks at black diamond did a bunch of tests when we were all jabbering about knot safety about 20 years ago. Kinda sad the old posts are getting so hard to find!