Certification confusion for Petzl ZigZag
Richard Tregoweth, Wednesday, April 10, 2013
![](/BlogPics_1/P/Petzl/Zig Zag/ZZ_certification.jpg)
Certification surrounding the Rock Exotica Unicender and the Rope Wrench has divided the aerial arb community over the last few years.
Individuals have staked their reputation (and in some cases their careers) on these products.
The problem ..