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Treetools Blog

Notch RopeRunner Pro CE clarification

Richard Tregoweth, Tuesday, March 01, 2022

The question asked by tree climbers planning to use the NOTCH RopeRunner Pro at work or in the Tree Climbing Competitions: is there a difference between the ..

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Five important hardware configuration issues

Richard Tregoweth, Monday, February 21, 2022

Tree climbing competitions provide multiple benefits to the aerial arborist community. But, one of the most important is the attention to climbing system configuration issues often overlooked in day-to-day tree work.

Misconfigured hardware systems are the most likely culprits, ranging ..

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Petzl ZigZag/Zillon: this is not a recall.

Richard Tregoweth, Monday, November 15, 2021

If you thought the ZigZag/Zillon 'Request for Inspection' notice (NOTE: THIS IS NOT A RECALL) issued by Petzl in late August 2021 would kill the sale of these mechanical devices, ..

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Notch Pro Access, made for arborists

Richard Tregoweth, Sunday, April 19, 2020

Treetools does not usually republish 'retailer' videos via this channel. Still, Nick Bonner does such an excellent job in explaining the features and benefits of the new Notch Pro Access bag we could ..

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Hand ascenders as a primary anchor - NO!

Richard Tregoweth, Saturday, April 28, 2018


The body of evidence against the use of a toothed-cam hand ascender, single or double, configured as the primary anchor point in a climbing system is well recorded.

The aggressive teeth on the cam of these devices begin to strip the ..

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Improved heel-lock lacing system

Richard Tregoweth, Tuesday, November 28, 2017

Boot manufacturers often change the location of the heel-lock on boots in the search for the optimal position.

The heel-lock helps keep your heel from sliding up and down and the rest of your foot from sliding back and forth in your boot causing discomfort.

In some cases, you might have ..

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Akimbo abseil, tested to the max!

Richard Tregoweth, Tuesday, June 20, 2017

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The most exciting rigging product for 2017… so far!

Richard Tregoweth, Monday, June 19, 2017

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Notch Pro Gear Bag - a review

Richard Tregoweth, Wednesday, June 14, 2017

Nick Araya gives us a tour of the new Notch Pro Gear Bag - looks pretty darn good!

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Safety Test for 2016 ART Spiderjack 3

Richard Tregoweth, Tuesday, April 18, 2017

ART have announced a 'Safety Test' for owners of Spiderjack 3 devices produced in 2016 with a serial number beginning 25.16…

Hubert Kowalewski says "If the bonding of the grub screw, attaching the thumb brake to the Spiderjack 3 is defective, it can unscrew slightly and obstruct ..

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