Your internet browser is not using current security protocols.
This will soon affect your ability to use the ISA website.
To update your security protocols, turn on TLS 1.2 in Advanced settings or contact your system administrator.
ISA Logo
About ISA  •  Find an Arborist  •  Newsroom  •  Job Bank  •  Contact Us  •  LOGIN
Join ISA

Subscribe to this podcast.

Climbing and Rigging

Fiddle Blocks

Fiddle blocks are a great tool to help control the lowering of a large limb. Scott Prophett demonstrates how to get a 5:1 mechanical advantage using a fiddle block.

 Released Audio File 
March 28, 2014 Download

©International Society of Arboriculture 2009-2018
PO Box 3129 • Champaign, IL 61826, USA • +1.217.355.9411

Email comments and questions to ISA
Thursday, February 22, 2018 8:37:31 AM (CST/ISA Headquarters Time)
Please click here to view our privacy policy.