In late August 2021, Petzl/Spelean (Australia/New Zealand) released a notice reporting several customer returns citing rope slippage on a tiny number of Petzl ZigZag/Zillons produced between 2018 and 2021. By 'tiny', I mean 0.025% of all ..
Yes, it's a recall, and the timing could not have been worse, just before the 2022 Christmas holiday break, but the problem is relatively easy to remedy, and we'll get it sorted in the New Year.
To recap, the button assembly on a limited number of 1.1" Omni Swivel ..
Another year comes to a close—time to recharge the batteries and take a well-deserved break. Every year the New Zealand tree care industry shuts down over the Christmas New Year period, and it's a great idea. Treetools will officially close mid-day Thursday, December 22 and reopen Monday, January 9, 2023. ..
As stated previously, chainsaw vibration will undo screws on some climbing devices. And intensive use (production tree climbing) is also likely to exacerbate the problem.
Further to the previous discussion, a flurry of ..
Just as a vibrating chainsaw will cause Raynaud disease (carpel tunnel syndrome or white finger), it will also undo screws on some climbing devices (that's why screw lock carabiners are frowned on in tree work).
When ..
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 ..
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 ..
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, ..
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 ..
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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